Might & Magic III : Isles of Terra
MM3 title screen - Click to embiggen!
Yes, DOSbox so I’m not doing some crazy video capture with an actual DOS based PC! I’ll crop things further when/if I start playing.
Vista HomePremium with a Q9400 (Quad core @ 2.66GHz), 4GB of ram and a 9800GTX+1GB is running this beast of a game 
At the moment, I’m just testing things out to see if I am going to run this or not.
Want MM3 for yourself? Get it from where I did; GOG.com has the first 6 games and a bunch of extras for a sweet $9.99USD
http://www.gog.com/en/gamecard/might_and_magic_6_limited_edition