For those of you who still haven’t made the switch to Leopard, you already have heard what a great OS it is. This 
“…ChangeWave Research has posted a study on satisfaction levels for corporate users of Leopard and Windows Vista. Not surprisingly, Leopard users are altogether much more satisfied than Vista users—in fact, Leopard users are 5 times more likely to say they’re ‘very satisfied’ than Vista users…
“In a February survey of 2,200 U.S. corporate computer users, 53% of those using Leopard reported they were very satisfied with their operating system, compared to only 40% of Windows XP and *gasp* 8% of Vista users…”
I think we are witnessing the last days of Microsoft gouging on forced upgrades. Thank goodness those days are behind us. It doesn’t look like people flock to their OS upgrades anymore. The last I witnessed was Windows 2000 which was a good improvement over NT4 and Windows 98. XP was lame and Vista is geared to confused the heck out of everyone even more with its so many flavor on which computers can run its hogging resource monster features.
I’ve helped a few friends with their Windows XP computers lately and I really don’t understand how such a system, lauded for its improvements and “robustness” and yadi yada still bogs down so much. All of them had the same problem, Windows came to a crawl. What do you do? Do you painstakingly go through all the culprits or do what even the great Gates said to do, reinstall from scratch once a year? If this is Microsoft’s idea of a greatly improved OS then they should take Leopard for a spin. Even though I still have 10.3 and Leopard is 10.5, my version still works very, very well and Leopard has features that makes Windows look like a bloated SUV. Windows can be OK only if, and only IF you really now your way around a computer. Apple’s OSx is 99.9% moron free mistakes and quirks.
As far as I have witnessed over and over the last decades, if you are not a Windows centric environment where servers host everything you just don’t need Windows.