I've been using this tablet for about 4 months with OpenSUSE 11.1, I'm happy: performance, design and hardware support are good for me, however there are few complaints about it:
Recently noticed that HP released HP TouchSmart tx2z, this is similar to TX2500z, however the big differences include more memory (up to 8gb) and multi-touch support. Hopefully my complains are already fixed in this newest hardware.
1.2.3 is installed by default, this version doesn't support Screen Rotation nor 3D Acceleration, according to 1.2.4 releasing notes Screen Rotation is now supported however xrandr doesn't report any rotation information. If you want to upgrade add the following repository and upgrade:
I recommend to generate the rpm and use zypper to install the generated file, if you are running 64bit you will need to recreate the symbolic link because seems the fglrx driver is using 32 paths instead of 64, according to documentation Screen Rotation is also supported, but not enabled by default, so execute as root:
to enable it, notice this command doesn't change /etc/X11/xorg.conf, it works however sometimes rotating the screen will lead to a black screen.
I like it, is smaller and lighter that my previous laptop, however the temperature is really really annoying.