If you configure the server correctly, it should work. You could always run Linux in a virtual machine, and install it there. The best route is probably to just install Linux straight onto your machine, though. You don't have to wipe Vista to do that -- Google "dual booting".
They are "compatible" in the sense that many applications that run on Windows XP will run on Windows Vista.
Yes. Look for ones that have a "Compatible with Windows Vista" logo on them. As of 2009, almost all new products are compatible with Windows Vista.
Yes, it's fully compatible with Windows Vista.
No the lg kc550 is not compatible with windows vista
Yes, AVG is compatible with Windows Vista.
Yes, Microsoft Office 2003 is compatible with Windows Vista.
Alcohol 120% has been fully compatible with Windows Vista since 1.9.6.4719.
Yes. The Logithech Microphone 600 is compatible with Windows Vista.
Yes.
No.
Vista is just a version of Windows; the version after Windows XP and before Windows 7. If a machine is Vista-ready or Vista-compatible, it just means that the hardware and available drivers are compatible with Windows Vista. You might be able to run that PC on Windows 7 or 8, but it depends, and you would have to check with the manufacturer to find out what all it is compatible with.
It has been compatible with Windows Vista since March 2007.