Dpreview just posted their the Leica X1 review.
They also made some X1 vs GF1 comparisons:
Dynamic Range: http://www.dpreview.com/reviews/LeicaX1/page14.asp
JPEG comparison: http://www.dpreview.com/reviews/LeicaX1/page19.asp
RAW coomparison: http://www.dpreview.com/reviews/LeicaX1/page22.asp
HOT!!! Amazon US has the Panasonic GF1 in Stock…both combos!
1) Panasonic GF1 Camera with 14-45mm LensIn Stock. Ships from and sold by 17th Street Photo! Only three left!
2) Panasonic GF1 Camera with 20mm f/1.7 Lens In Stock. Ships from and sold by Abt Electronics!
3) Panasonic 45mm f/2.8 Aspherical MEGA OIS Lens for Micro Four Thirds Interchangeable Lens Cameras is in Stock via Haystack Electronics for $879.95 + $7.99shipping!