I am a Wizardry 8 fan (because DWB had nothing to do with it) and have played all the maor mods to that one. I DID NOT like Wiz7 for alot of reasons - too many to list here. I really don't think any of the Wiz or M&M games were too easy and I go long way back in playing CRPG games: Pool of Radiance and it's 3 sequels, Champions of Krynn (2 sequels), Eye of the Beholder (2 sequels), just to mention a few.
I did not even try to obtain Wiz and Warriors since D.W. Bradley was mixed up with that one and anything he had his hand in was bound to be messed up.
Just a few comments