Dragon Quest VIII ($9.99)
Case For: My favorite PS2 game, epic adventure with beautiful cel-shaded graphics, awesome symphonic music, charming storyline, and one of the best and most realized worlds to explore in the PS2 era.
Case Against: Nothing, this game was the best game from last gen.
Metal Saga ($2.99)
Case For: Cool nonlinear adventure with multiple endings, vehicle customization
Case Against: Poor graphics, fairly long load times, not in stock on EBGames.com website (maybe it's available at your store)
Atelier Iris: Eternal Mana ($9.99)
Case For: Vibrant 2D graphics, some endearing characters, interesting although basic alchemy system
Case Against: Simplistic challenge level (apart from one or two bosses), short, may be a bit saccharine, generic combat system
God Hand ($12.99)
Case For: Innovative 3D beat-em-up with a sense of humor, a large moveset, and lots of challenge
Case Against: Control scheme is very unorthodox and takes some getting used to, very low budget production values
Blue Dragon ($9.99)
Case For: Great 'claymation' style graphics, oozing with charm, good dungeon design, and a very clever encounter system. Oh, and not to mention the most epic boss theme ever.
Case Against: Without downloading the optional difficulty pack, game is really easy. Characterization is lacking, and story is relatively basic.
Baten Kaitos ($5.99)
Case For: Beautiful pre-rendered backgrounds, lots of plot twists, innovative card-based battle system
Case Against: Tinny-sounding and poor voice acting, combat and gameplay are both very slow, story takes a while to pick up. Card battle system might not be your cup of tea.
Baten Kaitos: Origins ($9.99)
Case For: One of the best localizations ever, great story and VA, fast and furious combat. One of the best RPGs of last gen.
Case Against: If you played the original, a lot of the areas will look VERY familiar (aka a lot of reused assets). The card battle system, while much different and faster than the first game, still may not be your cup of tea.
Final Fantasy: Crystal Chronicles ($7.99)
Case For: Beautiful graphics, great music... and damn that narrator's Irish accent is so hot <3
Case Against: Not nearly as fun single player as it is multi. Requires all that GBA link-cable jazz to play multi.