Fallout 3: Original Game Soundtrack - Exclusive Vinyl LP
now available from ThinkGeek for $29.99:
http://www.thinkgeek.com/product/jort/?srp=10
If you are willing to buy from Thinkgeek you can get 20% off with this link
https://share.thinkgeek.com/x/Gs8LhS (through the refer a friend program)
Beware if you are an international customer, they ship with ups and you can get flagged with high brokerage fees