Do it yourself and save some cash. I'm by no means an expert but I put my FMS pulley's on and nothing has blown up yet
Seriously, it's not too hard and the more you do on your car the more intimate you get with it. I started Stangin' with very little mechanical knowledge (and still don't have a ton) but you'd be surprised what you can accomplish on your own.
I've been away from this board for well over a year as I've been dealing with family illnesses and what not. It's AWESOME to see that this is still the most professional and helpful board out there. I'm going to have to keep checking back more often.
Stefan