I run an ACT 6 puck unsprung with the HD pressure plate in my turbo accord. 100k miles on it now and its just now going out. pretty good considering the abuse its taken. I will get the same clutch to replace it.

as far as replacing it, pull out axles, remove shift linkage, remove slave cylinder, clear out airbox and stuff on top to get to tranny bolts, remove mounts, and out it goes.