9 times outta 10 I'll pick hardware over software when I'm beginning my mixes; I'll usually use plugins for cosmetic purposes afterwards though ...
Having said that here's my list:
Favorite plugs for vocal dynamics - UAD LA2A, UAD LA3A, Sony Oxford & Timeworks Compressor X
Favorite plug for bass - UAD 160 VU, UAD 1176, LA3A, Sony Oxford & Timeworks Comprssor X
Favorite buss comp - UAD Fairchild, UAD Neve 88rs, UAD LA2A, UAD LA3A, UAD Precision Bus Comp, UAD Neve 33609
Favorite vocal EQ - UAD Neve 1073, UAD Pultec Pro, UAD Fairchild, UAD Helios 69, Sony Oxford & Timeworks
Favorite bass EQ - UAD Neve 1081, UAD Pultec Pro, Sony Oxford, UAD Cambridge
Favorite channel strip - UAD Neve 88RS
Favorite reverbs: UAD Plate 140, UAD Dreamverb, and any TC Electronic Power Core reverb
Favorite FX/delays: UAD Roland RE-201 Space Echo, UAD RS-1 & UAD Nigel, TC Electroincs Powercore Chorus Delay, Moogerfooger, echo boy/sound toys(do not have, but are on my wish list!)
Also on my wish list: SSL Duende...