I'm subscribed to Slate and, Kush, have most of Eventide, UAD, Waves and Fab Filter, plus smaller goodies like 112dB, Audio Assault, Audio Damage, Klanghelm, Soundtoys, Softube, TRacks, Sonnox, PSP, and great D16, and yet find myself absolutely loving Plugin Alliance's ideas.

Some of them are real gems.

I'll list only a few of those:
Lindell 354E is truly amazing on the mixbuss for color sculpting.
Lindell TE-100 is really a mind blowing EQ/color box. Once you get it (learning curve max 30min) it delivers HUGE and fat bass, meaty Pultecy mids and sparkling but never harsh highs.
(Both Lindells feature oversampling and headroom controls.)
Maag EQ4 is such a simple and effective way to sculpt a beautiful sound.
Vertigo VSC-3 delivers very useful saturation also in M/S.
Unfiltered Audio G8 is one of the best working and clever gates.
Townhouse Buss Compressor clearly outperforms Waves SSL G Comp as "the glue"
Elysia nvelope kicks ass pumping transients like a champ
Elysia karacter does the job as a flexible saturator
bx_Pan EQ and DSM V2 are amazing tools, be sure to check it out, too