Yep; good if you have a DX10 game, otherwise of little use right now. Since there are practically no DX10 games out, I agree that this is of little practical use at this point.
|2. New fancy interface with cascading windows,etc
O.k., eye candy, mostly. Actually, given the completely inane, piece-of-cr@p, non-configurable interface they have given IE7, I am really more than a little bit sceptical of Vista's improvements in that area. In the case of IE7, I wonder what lunatic designed this shit...
|3. New searching functions similar to Mac OSXs
That could actually be a huge improvement for people who do serious work on their computers. I happen to have essentially all my life's work on my machine, including tens of thousands of files, and uncounted emails going back decades, filling up gigabytes of disk space. I would really love to be able to search all of this stuff easily, quickly and accurately. Of course, the question is if this really works. So far, I have never had good experiences with MS' offerings in that area: Their indexing service on Win2K and XP never worked right, and I fully expect them to be inept enough to not allow Windows Search to search offline Outlook archives, rendering a potentially great feature useless to me...
|4. "New advanced Security features" .. you'd have to be the biggest moron to think that a newly released Microsoft OS will be Secure
Actually, I happen to think that XP is already quite secure, if
you know how to use it. With Vista, Microsoft is finally forcing (well strongly suggesting) users to properly configure their machine, which will be extremely helpful. Of course, it must be understood that "secure" is always a relative term in the real world; no OS is completely secure. But, yes, Vista is
more secure than XP.
|DX10 won't be even remotely supported or useable for 6 months to a year, (and of course you'd be an idiot to "blow your wad" on the first line of video cards that support DX10.. Nvidia 8800, etc) and the new interface will run sluggish on 90% of the computers out there.
I don't know about your statistics there. But yeah, maybe 90% of the worlds computers are still PIII-class machines, and those would be slow, yes...
On the other hand, if you have a reasonably recent machine, certainly any of the laptops that people in this forum are using, the interface will be quite snappy. So, you can see that I am certainly not a fanboy here, but on balance I think ultimately Vista will be worth upgrading to. Whether or not it has to be right away is a matter of preference. Personally, I will wait for hardware to come out that fully supports and exploits Vista's features, some of which you did not mention: Support for full hard drive encryption, ideally with a hybrid hard drive supporting hardware encryption. Maybe a Sideshow auxiliary display, and, of course, a DX10 card. Once all of these things are in place, they could make up a really nice system. Oh, and by the time that hardware is available, Vista SP1 will be out, too.
P.S.: Who knows, by that time they may have IE7.5, or IE8 ready too, so the OS would even come with a usable browser...