Preliminary thoughts are:
1) 2 Mono Comps and 2 Mic Pres for input side. Have both, but looking to possibly upgrade.
2) Stereo Bus Comp for Bus Mixes.
3) 2 Pultec style EQs just because. Already have one.
Empty rack spaces are en eyesore and beg to be filled.
Patchbay is on my list, too.