when you say CPS2, I assume you mean the hardware.. and not any game in particular.
If all you care is CPS2 games, then you don't need a D9200.. any CGA level 15khz arcade monitor will work.
As far as resolution and quality. I owned a CPS2 with XMEN children of the Atom, and then installed a PC in my machine and ran MAME + AVGA + same monitor/controls/buttons + same game.
NO DIFFERENCE!
In fact, I like it better in mame than the real thing! The reason being that with the real CPS2 board, it was running 2 cheap 6x9 speakers. My machine now runs with better creative labs speakers + subwoofer!

Video quality identical, game speed identical, audio.. BETTER!