I reckon a 50k army could be painted with a roller and be acceptable. The sheer amount of effort and commitment makes up for any sloppy paint job.
Good luck, i'll certainly check back every now and then to see how your doing.
Wow, Doghouse, that mini with the termie parts is awesome.
I really wish i could make some like him, but alas, my greenstuff skills need alot of refining first :P
Can't wait to see more :(