I don't know... I was really impressed when I saw the boot times. Without knowing more however, that is misleading. Was it UEFI instead of a BIOS? Was that with a SSD or a HDD? Lotta' details missing there. If that was a BIOS with a HDD then those were rediculously impressive boot times. I'd imagine a SSD would be faster. How much so is anybody's guess though.
Still not sold on this though. I'll probably upgrade to it regardless simply cause I'll get it through my technet subscription and wont have to pay retail. But if I did have to pay for it I'd likely not upgrade and just rock 7 till the next version came out.