here ya go

http://www.rslibertyclub.org/  (= RS Liberty specialty site)

http://www.mrtrally.com.au/forums/ (= full of wrx owners = BLEGH!!)

(we are the only non-discriminatory liberty enthusiast site in australia)
everything in brackets is the opinion of Joel so don't annoy matRX with PM's if you find my comments offensive!!

www.liberty.asn.au

www.clubsub.org.nz (its a new zealand site but pretty useful still)
www.nasioc.com (american and mostly WRXs but still useful)
www.scoobymods.com (american mostly WRXs and foresters but still interesting source of knowledge about modding your sooby..

those are the main ones i use..
also www.legacycentral.org is worth a look..

www.mrtrally.com.au/forums

www.carandimage.com.au ( all the old ppl from mrt migrated there)