I have a wide assortment of plug-ins, but some of the favorites and widely used are:

McDSP Emerald Pack
-Analog Channel
-Channel G
-Chrome Tone
-CompressorBank
-DE555
-FilterBank
-Futzbox
-MC2000
-ML4000
-NF575
-Synthesizer One		 Melodyne Studio
Smack!
Sound Replacer
Joe Meequalizer
Joemeek Compressor
Bomb Factory BF-3A
Bomb Factor BF76
Massey L2007 Mastering Limiter
TL Space
Tel-Ray Delay
Eleven
Sans Amp
Steven Slate Platinum Drum Samples
  Pro Tools 8 HD
Pro Tools 8 LE
Logic Pro 8