Hi I'm a bit confussled as i've always been a hydro man, I hope you can help me out. Apart from around £6 and 25g I can see no real difference (weight weenie I am not). Is there anything that should persuade me to buy the SD7 caliper (I want to run SD7 leavers anyhow)rather than the 5? Any bad experiences, difference in performance, or build qualtiy I should know about? Tell me anything really I just have no idea when it ccomes to vees