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I have 3 wizards that I play (unfortunately before the staff fighting feat was printed, so only one has a 13+ wiz, and he's an orb wizard).
The other two are staff wizards (one human, one eladrin), with nearly identical stats except the eladrin as a 14 dex while the human only has a 12.
The eladrin is more "strikerish" in many ways (slightly lower but still good AC):
Eladrin wizard lvl 9
Str 8
Con 12 (14 at lvl 8)
Dex 14
Int 20 (22 at lvl 8)
Wis 10
Cha 12 (so he can get Spell Focus at lvl 11)
AC: 26 (30 with shield), Fort: 19, Reflex: 23 (27 with shield), Will: 21
HP: 64 (this is in the Forgotten Realms, he's from the region of Thay which allows you to use Int instead of Con when calculating hit points.)
Surges: 8
Feats: Initiate of the Blade (+1 AC once a day), Melee Weapon Training, Eladrin Soldier Training, Leather Armor Proficiency, and Eladrin Swordmage Advance (basic melee attack as a free action when you Fey Step adjacent to an enemy).
Items: +2 Leather Deathcut armor, +2 Cloak of Survival, +2 Defensive Staff, +2 Adamantine Longsword, Bracers of Mighty Striking (+2 damage with melee basic attacks), Strikeback gloves (enc: make melee basic as a free action when adjacent enemy hits you).
Backup Items: +2 Staff of Fire and Acid, Shadowfell gloves
He wields a +2 Defensive Staff in his off-hand and a +2 Adamantine longsword in his main hand
Longsword: +13 attack, 1d8+12 damage, +2d10 on crit
Powers:
At-Wills: Illusory Ambush, Scorching Burst
Encounter: Staffstrike Corrosion, Color Spray, Fireburst
Daily: Flaming Sphere/Acid Arrow, Stinking Cloud/Fireball, Haunting Phantoms/Wall of Fire
Utility: Shield/Feather Fall, Dimension Door/Spectral Hound,
Plus Fey Step once an encounter.
He will often Fey Step into the flank, make a free attack, and then Color Spray. Or cast, then Fey step into flank and attack. Dimension Door is in case he gets in over his head. He also casts Spectral Hound to give himself his own flanker and +1 to all defenses (or give the rogue a flank if there is one in the party).