1. everyone has their own opinion of what sounds good
2. it depends if you're going for sound or performance
in my opinion, if you want a nice setup that sounds good and is fairly cheap id say go with flowmaster. I have a catco high flow cat, stock headers and an 80 series flowmaster 2.5in catback system in my 92z. It sounds pretty good. Not too loud, but loud enough for people to know you're there. I'm getting headers soon for a little better performance. If you want performance and you have a quite a bit more money id say go for slp headers and a borla catback, its a lil bit too loud for my liking and WAY overly priced. good luck lookin! later
-Ken
p.s. WayFast84 hows your car sound when you drive it?