Everthing can happen. From corrupted model file to screwed up animations. What exactly do you want to do?
Make selfmade hgrunt models, make several different grunts appear in one level, use models from other mods? Be more precise!
he wont be back i thinkas long as he's somewhere on the internet there is a big chance to get him here via email. at long enough to make andy and 7th something like semi-admins. (afaik they're the most dedicated moderators here).
Or Osama.
Or Denton.Deus Ex 4ever!!!
fps doesn't drop because of the high amount of polygons, but due to this redrawingthat's actually what I said.