I just wanted chime in to agree with R-J-X's recommendations (apart from the bits about these comps sounding like Trakkers or Distressors...!?! That's like comparing plastic spoons to Swiss Army knives
).
The RNC, the dbx 160xt (or 160x), the JBL/Urei 7110 are all excellent quality budget compressors. RNC is good as a mix bus comp (though not much else IMHO -- flame me if you like
). The 160xt is unbeatable for snare drum! And the 7110 is lovely on bass and vocals.
Also I really like the dirt cheap dbx 163 / 163x. Great for adding some "kick" to your kick.
It might be wise to think about where you want to use compression. Personally I never compress synths, so if I were in your shoes I would probably be asking: which tracks / buses do I want to compress? And go from there. If everything is going to go through a mix bus comp, I'd go with the RNC. Otherwise if you're looking to compress individual tracks, and maybe add some colour or warmth or grit to those tracks, I would think seriously about the other recommendations on this thread!
$0.02! Have fun with it Tifstorey!
Johann