In reply to Oogachooga:
Good suggestions above, though I thought limbo was hard (but very good). M1 is great. Bonbogies is OK. Great Central Route is good, there is gear for the hard moves but it's bold on p2 though much easier climbing. For something a bit different and not a spot of polish, the newly cleaned Jose Dansack on the north buttress of the suspension bridge is great, steep but well protected.
On the other hand, not central buttress, a great experience but no gear.