Please don't respond so aggressively to a topic which clearly you know nothing about.
As of today, Windows Vista (the 'business' package) has been released for general sale. Granted, the consumer release of Vista isn't going to be until January, however right now there are still thousands of people who have installed the 'final' version due to either academic licencing, free-copies (given to BETA-testers like me) and MSDN subscribers. Ask yourself this: who is actually more likely to be running the MTA modification? Is it people who will go out and buy a Dell computer in January (no, but some will), or will it be people who are knowledgable about technology and have already installed the new (yes, the CURRENT) version of Windows - Vista (lots!). Clearly it is the latter option.
Windows Vista has been available for free BETA-testing for months (which I have done, and surely the developers of MTA could have done too), and now Vista is 'RTM', which means it is actually RIGHT NOW the most up to date and 'current' version of Windows. Worrying about Vista LATER is like saying "we are going to continue developing horse-shoes" when cars had been invented! In fact, copies of Vista RTM can be downloading and installed without a licence key (for a 30 day period), so there really is no excuse for the developers of a popular modification not to be able to at least investigate the issue.
The developers should look into solving the 'Vista problem' now. Why? Well firstly, so that everyone who is about to enjoy a Christmas holiday will be able to play MTA without cursing the developers, and secondly so that when Vista is released in January, there wont be a terrible flood of people saying "why doesn't MTA work in Vista? This sucks!".
And finally, Leviathan, do not refer to me as 'stupid' just because I'm running the latest version of Windows. Don't tell me that you are dual-booting Windows XP and Windows ME? I'm pretty sure you aren't, so therefore it's superfluous to instruct me to dual-boot the two most recent copies of Windows. If you're not going to upgrade to Vista due to cost, or hardware compatibility, don't take it out on me. Get with the times and understand that if you're not running the cutting-edge, then you've fallen behind. Simply calling the issue 'irrelevant' is a cop-out, and is a clearly myopic point to be making.
Therefore I am urging the developers to at least discuss the situation with someone who is currently running Vista and hopefully at least find the underlying issue with the incompatibility.