Vista Wireless Performance Questionnaire

I just recently purchased a ReadyNas RND2150 and have experienced all of the problems listed above. Laptop with Windows Vista Home Premium over wireless link. Oh, and, by the way (way we used to say it), wired worked like a champ. I did/checked all of the recommended changes: Throttling, Sidebar, Computer Browser, IP Helper, tongue, left arm above nose no more than 5cm... but to no avail. I already have SP1 installed so X that. I have solved my problem, but more of that later.
I agree with a certain individual who posted earlier or in another post, didn't write down name; This looks like a Netgear ReadyNAS forum so the moderator should have some knowledge about the problems discussed herein and should take a more proactive role in describing the problem and solution. Funny that the problem is only discussed here and you must read a lot of posts to figure out the solution. Didn't find it on the regular Netgear web site. Sorry for the digression... I work daily in the area of machinery failure and root cause analysis. From what I have read here the physical root cause of this is the NAS/VISTA WIRELESS network's inability to adjust the MTU (whatever that means) to match proper network perfomance. After trying all of the changes listed in this thread (except FW 4.1.4 to 4.1.5 changes) and then reverting to original settings, all I changed was my MTU on the wireless card in my laptop from (the default? 1500 BTW, what does AUTO mean?) to 1460. Volia! The boxes magically started talking to each other at 2.5MB/S. I got that with my Vista box talking to my Ubuntu 8.10 box without any hand wringing or gnashing of teeth. What can I get if I tweak the 1460 value? Probably alot... If this k-rap turns belly-up later I will post but for now I am satisfied with my system but not with the supposed experts who created this skit.