You have to ride them both to work out what works for you. I run SRAM Rival/Force on my CAAD and mostly DA7800 on my Roubaix. The rival shifter fit my hands better, as others have noted. I also find that I can miss gear changes with Shimano hoods when I'm in the drops (small hands) while thenSRAM shifters have a bigger paddle to hit AND you can pull them towards the bars while shifting. Having said that when I ride my 7800 bike, the quality of the shifting is on another level. Both groups have pros and cons.