Mine is setup for commuting on smooth bike path and roads:
1) 36H Mavic CXP 33 laced to 105 hubs with a 9-speed 13-32 cassette
2) XT Rear derrailleur/RX100 front
3) 36H Mavic/Phil Wood front
4) Sugino RD3000 triple crank 52-42-39
5) Specialized seatpost/Surly collar
6) Shimano Bar Con shifters (7 spd)
7) Aeon (soon to be Ritchey) Stem
8) Ritchey Scuzzy Logic headset
9) 105 road brake levers/Travel Agent adapter for front Avid Speed Dial Vbrake/XC-Pro rear canti
10) Modolo (soon to be Salsa Bell Lap) drop bars
11) B-17 Saddle
12) Shimano 424 clipless pedals (currently XC-Pro platforms with Campy clips/ALE straps)
13) Vittoria Open Corsa CX (slicks!) for road