We have to see how HP plans on making Windows 7 on a full slate device with netbook class internals perform smoothly as it shows in the demo videos. Considering the fact that the iPad is out in the market now and they are setting a pretty high expectation as to how the new generation of tables must work, the HP slate should definitely meet up to the expectations:
Here are the specs for the $549 version (base configuration)
8.9-inch 1024 x 600 capacitive multitouch display
five-hour battery
1.6GHz Atom Z530 processor with UMA graphics and an accelerator for 1080p video playback
32GB of flash storage
1GB of non-upgradeable RAM:
Here are the specs for the $599 version:
64GB of storage
five-hour battery
SDHC slot
Two cameras
USB port
SIM card slot for the optional 3G modem
Dock connector for power, audio, and HDMI out