Where to find some p3 slot1 mobos?

[sman789]

i have a leftover p3 450mhz http://titan.etf.bg.ac.yu/~gvozden/mips/radovi/pc_na_dlanu/procesori/p3_1.gif like that

i'll need sum pc133 ram and thats about it, I got the rest...HDD(10gig), videocard(ati7000), lan card, case, monitor etc

would i be saving money if i try to make a jukebox, weakgaming, collegework out of this...