thanks a bunch guys!
This has been a great help to me..
My DM has allowed me to take a good-aligned assassin type PrC with most of the same abilities. Exceptions: No poison use and resistance, Feat prereq: Investigator, must be chaotic good or neutral good, gets 6+Int Mod for skillpoints.
This good aligned assassin type is compelled to assassinate evil whenever possible...
I've been contemplating the metamagic feat: silent spell, which I think would be quite nice for an assassin type.