You should be golden then with either of the LAA. The only difference between them is what they use for their GUI. One is written using the dotNet Framwork, which is nothing more than a set of dll files to make it easier to build things like dialog boxes and the like. The other probably uses older Win API dlls, or a C++ Library file instead. All of the apps like them flip a couple of bits in the header of the SH4.exe file, that Windows reads as the file loads, which then tells Windows that the app is Large Address Aware and can address the RAM that Windows will allow it, which is usually around 3.25gig max... but you still don't want other older apps running at the same time, because Windows usually puts all of the "legacy" stuff in the same playpen, and they have to "share"...
