SHIMANO Vs. CAMPAGNOLO VS. SRAM

SHIMANO:

Road groupsets For 2011, road bicycle groupsets include:

Dura-Ace Di2 [7970] (10 speed electronic)
Dura-Ace [7900] (10 speed)
Dura-Ace Track [7700]
Ultegra Di2 [6770] (10 speed electronic)
Ultegra [6700] (10 speed)
105 [5700] (10 speed)
Tiagra [4600] (10 speed) 9 speed on older models
Sora [3400] (9 speed) 8 speed on older models
2300 [2300] (8 speed)
CAMPAGNOLO

For 2011, road bicycle groupsets include: Super Record EPS (11 speed)
Record EPS (11 speed)
Super Record (11 speed)
Record (11 speed)
Chorus (11 speed)
Athena (11 speed)
Centaur (10 speed) (Daytona groupset before a trademark conflict was discovered)
Veloce (10 speed)
Record Pista (Track)
SRAM

SRAM currently has 5 road bike groupsets (in descending order of price/quality) that all use the SRAM Double Tap shifting technology:
SRAM Red 2012
SRAM Black Red (New for 2011)
SRAM Force
SRAM Rival
SRAM Apex (new for 2010)