Hah!
Today I ran my party's first encounter in our new 4E campaign. I totally kicked their asses!!
Paladin, Wizard, Warlock and Warlord went up against 2 Guard Drakes, 2 Hafling Thieves and an Elven Archer.
It was, according to the DMG, a level 3 encounter. So, for a 1st level party difficult...