Here's a rogue build i've been playing with. Not sure about some of the feat choices and power swaps, and I'd like comments.
Below is a detailed list of what is gained at every level with summary statistics at levels 1, 11, 21, and 30.
Race: Bugbear
Languages: Common, Goblin
Racial: speed 6, +2 str +2 dex, LLV, +2 intimidate +2 stealth, Oversized, Predatory Eye
Rogue Class Features: First Strike, Rogue Weapon Talent, Sneak Attack, Brutal Scoundrel
Str 18 Con 12 Dex 18 Int 8 Wis 10 Cha 12
hp: 24
Healing Surge: 7 (value 6)
AC: 16 = 10 + 2 armor + 4 dex
Fort: 14 = 10 + 4 str
Ref: 16 = 10 + 4 dex + 2 rogue
Will: 11 = 10 + 1 cha
Attack: Dagger +8 = +4 dex + 3 proficiency + 1 weapon talent + (2 combat advantage)
Damage: 1d6 + 4 dex + (2d8 + 4 SA) + (1d6 Predator’s Eye)
Initiative: +8
Skills: Thievery (Dex), Stealth (Dex), Intimidate (Cha), Acrobatics (Dex), Athletics (Str), Perception (Wis)
At-Will: riposte strike, piercing strike
Feats: Improved Initiative
Encounter (1): tortuous strike
Daily (1): blinding barrage
2nd: tumble, Nimble Blade
3rd: bait and switch
4th: +1 str and dex, Backstabber
5th: deep cut
6th: chameleon, Skill Focus (Stealth), tumble -> fleeting ghost?
7th: imperiling strike
8th: +1 str and dex, Shield Proficiency (Light)
9th: deadly positioning
10th: shadow stride, Surprise Knockdown
@11th: Bugbear Rogue/Daggermaster
Str 21 Con 13 Dex 21 Int 9 Wis 11 Cha 13
AC: 25 = 10 + 2 armor + 5 dex + 1 shield + 5 Lvl + 2 item
Fort: 22 = 10 + 5 con + 5 Lvl + 2 item
Ref: 25 = 10 + 5 dex + 1 shield + 5 Lvl + 2 item + 2 rogue
Will: 18 = 10 + 1 cha + 5 Lvl + 2 item
Attack: Dagger +16 = +5 dex + 3 proficiency + 5 Lvl + 1 weapon talent + 2 item + (3 combat advantage)
Damage: 1d6 + 5 dex + 2 + (3d8 + 5 SA) + (2d6 Predator’s Eye)
Initiative: +14, 2 rolls
Feats: Improved Initiative, Nimble Blade, Backstabber, Skill Focus (Stealth), Shield Proficiency (Light), Surprise Knockdown, Danger Sense
Encounter (4): tortuous strike, bait and switch, imperiling strike, critical opportunity
Daily (3): blinding barrage, deep cut, deadly positioning
Utility (3): fleeting ghost, chameleon, shadow stride
11th: +1 all stats, Daggermaster’s Action, Dagger Precision, critical opportunity, Danger Sense
12th: meditation of the blade, Shield Specialization
13th: tortuous strike -> unbalancing attack
14th: +1 str and dex, Agile Athlete
15th: deep cut -> slaying strike
16th: hide in plain sight, Dagger Advantage, Weapon Focus
17th: bait and switch -> dragon tail strike
18th: +1 str and dex, Fleet-Footed
19th: blinding barrage -> snake’s retreat
20th: deep dagger wound, Back to the Wall
@21st: Bugbear Rogue/Daggermaster/Deadly Trickster
Str 24 Con 14 Dex 24 Int 10 Wis 12 Cha 14
AC: 36 = 10 + 3 armor + 7 dex + 1 shield + 1 feat + 10 Lvl + 4 item + (1 wall)
Fort: 31 = 10 + 7 str + 10 Lvl + 4 item
Ref: 35 = 10 + 7 dex + 1 shield + 1 feat + 10 Lvl + 4 item +2 rogue
Will: 26 = 10 + 2 cha + 10 Lvl + 4 item
Attack: Dagger +25 = +7 dex + 3 proficiency + 10 Lvl + 1 weapon talent + 4 item + (3 combat advantage + 1 wall)
Damage: 1d6 + 7 dex + 7 + (5d8 + 7 SA) + (3d6 Predator’s Eye)
Initiative: +21, 2 rolls
Feats: Improved Initiative, Nimble Blade, Backstabber, Skill Focus (Stealth), Shield Proficiency (Light), Surprise Knockdown, Danger Sense, Shield Specialization, Agile Athlete, Weapon Focus (Light Blades), Fleet-Footed, Back to the Wall, Epic Resurgence
Encounter (4): imperiling strike, critical opportunity, unbalancing attack, dragon tail strike
Daily (4): deadly positioning, slaying strike, snake’s retreat, deep dagger wound
Utility (5): fleeting ghost, chameleon, shadow stride, meditation of the blade, hide in plain sight
21st: Sly Fortune’s Favor, Epic Resurgence
22nd: dazzling acrobatics, Triumphant Attack
23rd: unbalancing attack -> steel entrapment
24th: +1 str and dex, Trickster’s Control, Unfettered Stride
25th: deadly positioning -> ghost on the wind
26th: epic trick, Escape Artist
27th: (?) -> hurricane of blood
28th: +1 str and dex, Defensive Advantage
29th: slaying strike -> assassin’s point
30th: Trickster’s Disposition, Light Blade Precision
@30th: Bugbear Rogue/Daggermaster/Deadly Trickster
Str 26 Con 14 Dex 26 Int 10 Wis 12 Cha 14
AC: 45 = 10 + 4 armor + 8 dex + 1 shield + 1 feat + 15 Lvl + 6 item + (1 wall + 2 advantage)
Fort: 39 = 10 + 8 str + 15 Lvl + 6 item
Ref: 43 = 10 + 8 dex + 1 shield + 1 feat + 15 Lvl + 6 item +2 rogue
Will: 33 = 10 + 2 cha + 15 Lvl + 6 item
Attack: Dagger +33 = +8 dex + 3 proficiency + 15 Lvl + 1 weapon talent + 6 item + (3 combat advantage + 1 wall)
Damage: 1d6 + 8 dex + 9 + (5d8 + 8 SA) + (3d6 Predator’s Eye) + (2 large+)
Initiative: +27, 2 rolls
Feats: Improved Initiative, Nimble Blade, Backstabber, Skill Focus (Stealth), Shield Proficiency (Light), Surprise Knockdown, Danger Sense, Shield Specialization, Agile Athlete, Weapon Focus (Light Blades), Fleet-Footed, Back to the Wall, Epic Resurgence, Triumphant Attack, Unfettered Stride, Escape Artist, Defensive Advantage, Light Blade Precision
Encounter (4): critical opportunity, dragon tail strike, steel entrapment, hurricane of blood
Daily (4): snake’s retreat, deep dagger wound, ghost on the wind, assassin’s point
Utility (7): fleeting ghost, chameleon, shadow stride, meditation of the blade, hide in plain sight, dazzling acrobatics, epic trick
Edit: Forgot proficiency bonus