I have an older HP Compaq tc4200 Tablet PC. I like it. If you’ve never used a tablet before, where you can opt to use a pen for input, you should try one. It’s great for applications that are primarily mouse click driven, like browsing the Intertubes or doing practice exams.
I recently reloaded mine with Windows 7, which was ridiculously easy. Windows 7 runs no slower on it, and perhaps a bit faster. Windows 7 natively loads all required drivers, so you won’t spend hours looking for the NIC driver or whatever for this model. I like Windows 7.
Still as an older machine, it’s a bit slow. The hard drive seems to thrash. People say that replacing the internal hard drive with an inexpensive solid state drive (SSD) helps. Will it make any real difference? Yes. I did it, and I’m glad I did.