First off:
It's "Soulcalibur IV" not "Soul Calibur IV". They changed it to one word, stupid if you ask me, but that's how it is as of recently.
I'm interested in all of these:
Ace Combat 6: Fires of Liberation
Beautiful Katamari
Culdcept SAGA
Eternal Sonata
Namcom Museum DS
Space Station Tycoon
Soulcalibur Legends
And I fully expect Soulcalibur IV to be there still. There's been a bunch of info on it lately.