I've got a complete B23ET bottom end, has done roughly 330,000km so rings, bearings and a hone would be advisable, asking $350ono. I'm in Western Vic, but getting someone from the forum to cart it up to Sydney probably wouldn't be too hard to organise.
Pics are here:
http://zyrex.org/gallery/Cars/acw/Misc/?g2_page=14