
Being a BeOS user (a purely desktop system) and because I code under Linux, I see
XFree86 (v4.1 on my machine) as a user and as a developper. And this is where the problem lies. My Gnome or KDE desktops are slow in comparison with other operating systems, but XFree86, the 'engine' behind these desktops, proves me that it's not. Let's look at what I have in front of me: a dual Pentium III at 933Mhz with 512MB of memory, a Radeon 32 AIW, a modified Mandrake 8.0 powered by kernel 2.4.18.
All I did, was to suggest to try another gfx card, which might help him locate the source of the problem. And you guys are attacking me for doing so.
I did mention those screen shots come from two different systems with video cards from two different but both highly respected video card manufacturers (Nvidia and ATI)
I also mentioned I'd seen the same rendering problem on other systems besides these two.
This is definately a problem with the way XP handles window masks, and serves to illustrate the underlying issues with having clients redraw windows as opposed to the server.