Hi CHris
I to have started the VBCW bug and had the same question as you...
I have found the lledo models of yesteryear are a good size for 28mm (some might say they are a little small)
Photos can be found on my blog - just google Shedwars and hit the vbcw tab.
I am currently putting together a list of armour but the best sources appear to be
Warlord games
Coppplestone
Empress
Caliver (the old PMC range)
Good luck