I like using UVLayout from Headus (you can get their demo version for 30 days). For a brief tutorial on how to use it, I'd head here: http://cg.tutsplus.com/tutorials/autodesk-3ds-max/create-a-realistic-looking-mailbox-using-3ds-max-and-uv-layout-day-2/ . He does some layout in max, then swaps over to UVLayout.
Pretty satisfied with the initial normal map bakes out of XNormal. Haven't cleaned anything up yet just through them on to get a idea of how it looked. If you wanna check out my uvlayout take a look at my WIP thread for this kid. Can't wait to start texture painting. WIP Thread
aNarchy: I can see some areas that can be optimized in regards to tri count. Don't be afraid to break the building into seperate pieces and work modularly, like you did with the flying butresses. That alone could save you on tri's. In regards to Unwrapping, I've never used UVLayout but it looks like a valuable tool. One of…