I played through Konami's Gamers' Day demo, and was very impressed. Breaking the crystals on the touch screen to carve stairs was great, and having to make a magical seal to beat the boss was cool, too. I agree that it's not breaking much ground graphically, but I can't wait to play the whole thing -- which they announced won't be out here until fall, if my notes are correct.
IGA is the man. I got an autographed, laminated Aria of Sorrow poster from him in '02 when I went to Japan for TGS, and had an 8-hour meeting at Konami. He was such a shy, nondescript guy back then, so it was funny to see him in all black with a cowboy hat and funky facial hair at the event.
I could've been more impressed with the new PS2 Castlevania, however -- even if it has lots of items and the level structure of SOTN.