The 4.5-inch screen was "sharp and bright" and its 1, 024 x 600 resolution (UMPCs go 800 x 480 on a 7-inch display) made full screen web browsing possible if you don't mind uh, "squinting" a bit with those "handy" buttons along the right-side of the case giving a quick zoom when necessary.

ENGADGET: Sony Vaio UX previewed