The screen is hardened glass (trademarked as Dragontrail glass) and it's very resistant to scratching, except for sand and jewellery. I recommend putting a microfiber cloth over the keyboard when shutting the display so grime from the keyboard doesn't scratch the display. I wouldn't bother with a screen protector because they're difficult to put on. The display collects dust under the glass which is a bit of a bummer, but it's rarely visible under normal lighting conditions. The pressure sensitivity is reportedly 1024 levels, but more important than the levels is the pen support, you can get the excellent UP-911E or the nice Bamboo Feel. Biggest issue, as far as pen use goes, is the gap between the glass and the LCD, it's pretty huge. If it was as small as the MobileStudio Pro I'd probably stick to the T904 for several more years, but as time goes on I get more and more tempted to get a device without a gap. The biggest non-pen issues are the miserable speakers and the noisy fan. Everything else is quite good, particularly the aluminum body and glass trackpad. People complain about the plastic around the hinge developing gaps in the seams, but that's probably only an aesthetic issue. The Ethernet port looks flimsy but I haven't had any issues with it yet. The webcam is okay at best but I never use it.