IMO, get a disc. I'm a fan of Avid stuff, so I'd recommend them. Either the BB7 or the Juicy, it's your call. To be honest I reckon the BB7 is more powerful, although the Juicy feels much smoother (like the Hope trial). If you want a Juicy, On-one still have them for £100 (front 185), but they don't have any BB7s left unfortunately.