Shaun White Snowboarding $15.49 for XBOX 360 on Amazon FSSS
Ships and Sold by Amazon - so eligible for free shipping with orders over $25
http://www.amazon.com/exec/obidos/ASIN/B001B1W3KW/ref=nosim/cheapassgam08-20
I don't have this game myself, but I think it's a good price? so maybe others...