Here are some good instructions:
http://forums.vwvortex.com/zerothread?id=1188960

As for my mounts, I just removed a little of the old rubber and degreased it. Next I taped then up and squirted in PL Premium Polyurethane Glue. I let them sit in the oven for almost 2 days on 200*F and put them back in.

With no A/C, idle isnt bad at all. With the A/C on it gets rough.