Hi gtsii,
if you can, get the Oct '03 backissue of Fast Fours. They have a very informative & detailed 6 page tech story on fuel systems, with independent views from a few different EFI specialists, includingPetro-Ject. Yes they certainly seem to know their sh!t.
Also you can find walbro 255's on ebay for USD$85 + shipping USD$10. about AUD$124 on your doorstep. (go you aussie dollar !) What price have you been quoted locally ?
I need a pump too - but I'll wait up to 2 wks if the saving is worthwhile !
hope this adds,
G