My main ssytem, yes. Unfortunatly with DRM and
trusted computing, atleast one system in my house has to access the new DRM/TC world. Another thing that *MAY* compel me to vista my HTPC is the new sound support, isntead of 16 bit proccessing, it offers 32 bit floating point, so vista is supposed to see a noticible audio fidelity increase, down side is atleast initaly there will be no hardware accelerated sound support <downsde for me since i will soon ahve teh creative X-Fi on my htpc> but if crystal still works... the clencher will be two HDD's ill boot a fully set up vista, fully setup xp, and play my music. which ever sounds better will get to stay. I can sacrafice video, but my audio suffers for no one

lastly my main system was designed for games, and m$ will never release dx10 for xp, so for the coninued life of my main pc, vistawill be installed, my only hope si they make good on the upgrade promis for those of us who built x64 systems recently had had to by oem xp because that was all that was available. but the layout of my house XP Prox2 2kProx1 VistaRC1x1, Kubuntu x1 and windows 3.11/95 OSR2x1. The final thing is that at somepoint, software that does not "Obey" DRM requirements can be blacklisted and or just not work well with TC software, or even not be able to play protected content. I see this having a huge impact on my HTPC that i am not lookin forward too.
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BTV/MediaPortal Sys :
Asus M2N32-SLIDeluxe AM2 3800+ DualCore
1 GBx2 GEIL DDR2 800 4-4-4-12,
NX8600 GT 256 MSI PCIe,
Seagate 80 Gig SATA2 x2 RAID 0 Operating,
Seagate 320gig SATA2 x2 RAID 0 Record,
Seagate 320gig SATA2 X4 RAID 5 Storage
Creative X-FI Extreme Music,
Gigaworks 750 7.1 speekers;
nVidia PCI Dual Tuner and Pinacle USB 150 tuner; Generic USB external DVD drive and a Full Fledged Firefly. XP 32 Pro, Beyond Media Ditched!
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