check in with sasha, too - you never know. i think i remember a post by dylandom about a bike shop in bklyn somewhere, that has hundreds of forks lying around. it's totally possible to find a decent, used, drilled fork. swap in, swap out.
BJ, i believe, might not be as tight as you might want, but the price is right and so are the looks.
what other cheaper customs come to mind?
also, there's a Euro Track Frame on fyxo that's 55square:
http://www.fyxomatosis.com/viewpage.php?page_id=8