Do you want only RPGs and Fighting games, or all good games?
<UL><B>RPGs:</B>
<LI>Final Fantasy X
<LI>Final Fantasy X-2
<LI>Suikoden 3
<LI>Dark Cloud 2
<LI>Kingdom Hearts
</UL>
<UL><B>Fighting Games</B>
<LI>Soul Calibur 2
<LI>Tekken 4
<LI>War of the Monsters
</UL>
If ya want a list of must-buy games for PS2, I'll conjure up a list with those too. There are so many good games for PS2 for cheap prices now.
-Lasereth