Phone Arena managed to get hold of a Samsung Omnia II to review. Currently they just have a first impressions and overview of the phone and should soon have the full review up for you to read.
The phone uses TouchWiz as an overlay that runs on top of Windows Phone OS. The AMOLED screen measures 3.7 inches and has a resolution of 480x800 pixels and looks fantastic. Unfortunately they opted for just 65k colours rather than the 16m of the Pre and iPhone.
Other features include high speed connectivity at 7.2Mbps where your provider permits, Wi-Fi, Opera Mobile, GPS, 5 megapixel camera as well as DivX and XviD support.
The phone has 8GB of internal storage which can be further boosted by a microSDHC card. More details will arrive shortly.