if you want REAL bang for buck, get this
http://cgi.ebay.com/DANELECTRO-D-4-FAB-SLAP-ECHO-GUITAR-PEDAL-D4-NEW-/330504065815?pt=Guitar_Accessories&hash=item4cf393d317
and mod it according to the info on this forum:
http://experimentalistsanonymous.com/board/index.php?topic=1094
total cost: about R200.
i've just got mine from an ebay order and i'm gonna do the mods straight after i finish my amp. it sounds pretty awesome as it is though, have to admit. great reviews on it too.
apparently it does some amazing things wrt feedback once its been modded.