plasmid vectors for yeast two-hybrid system?

[bcraft at darwin.bio.uci.edu]

Can anyone tell me what are the latest, or preferably, the best plasmid 
vectors, etc. to use for the yeast two-hybrid system.  I know that some 
companies are making kits (Clontech, I think), but what else is out there?

I currently have pGAD2F and pMA424 which are large unwieldy vectors.  I know 
there are pACT and pAS1 which are smaller and newer/better(?), are these any 
good?

Brian Craft
bcraft at darwin.bio.uci.edu