UAD, Softube, IK Multimedia T-Racks, Sonnox, Soundtoys, Lexicon, Slate Digital, D16 Group and Massey Plugs are tried and true FX.
Nexus, Massive, Discovery Pro, kHs ONE, Twin2, Analog Factory, Tassman, Ultra Analog, Albino, Blue, Predator, Northmood, Omnisphere, Trillian, and Superwave Bundle. All great plugins and nothing is going to replace them anytime soon.
The best plugins of 2012 are pretty much standard for several years. Softube, Soundtoys, IK and Slate Digital are doing the most exciting new stuff.