It's 9800GTX day today, & the reviews are rolling in. In short, if you want a single-GPU card that can pump out Crysis at 1920X1080 at better than 30fps at high settings, this is the card for you.

HotHardware (BFG, eVGA, & Zogis in SLi & Tri-SLi)
LegitReviews(XFX & Palit)
techPowerUp (Zotac)
BenchmarkReviews (Zotac)
Guru3D (BFG in SLi)
Hexus (BFG)
the [H] (BFG)
Anandtech (eVGA in Tri-SLi)
FiringSquad (BFG, XFX, eVGA)