Just about any type of hardware that you can think of can be compatible with LabVIEW. What you have to consider is how much effort you want to put into it. For example, LabVIEW includes drivers for all DAQ boards from NI. Also included with LabVIEW are functions on palettes for these boards. If you use an NI board, you can be up and running in little time. LabVIEW 7 also includes a wizard for quickly creating DAQ tasks. If you buy a board from a vendor that has LabVIEW drivers, you can install them and use their functions in place of the NI ones. You may or may not get some examples from the vendor and for help, you'll get less on the NI forums (obviously). If the vendor does not have a LabVIEW driver, what you'll probably get is a DLL that you use to write your own LabVIEW driver. LabVIEW has a Call Library Function Node that is used to communicate to DLLs. This is not much different than what you would have to do if you wanted to use the vendor's DLL in a C or VB programming environment.
So, check with the DAQ vendor first. If they don't have a driver, post a new question with details on the board you want to use and see if anyone has developed a driver that they are willing to share.
