I have the 32 bit XP and 64 bit XP on my machine(dual boot). I haven't had any problems yet. Silo works nice on XP 64, Wacom has drivers for XP 64. I keep my 32 bit XP just in case some new programs I try refuse to work in XP 64 though.
It looks like the error is coming from your normals map. The stepped gradient is that purple area light purple area on the door. Also, don't use 32-bit TGA for your normals map. You only use 32-bit when you have an alpha mask. Normals don't need an alpha channel. Go with 24-bit and don't compress anything.
Hey, so I totally understand what you're saying. But I think he's going with the actual in-game skill timing. The ultimate skill for this character actually does have a long charge (it's probably close to 3 seconds) and then there's a huge release burst :) Here's the reference! (if you're curious)…
Can't stop listening to the feed... http://www.broadcastify.com/listen/feed/6254/web something going down near MIT right now.. http://emergency.mit.edu/ Thursday, April 18, 2013 11:20 Responding agencies continue to investigate active shooter incident at building 32(Stata). Please stay indoors and away from Building…