what r u talking about...
xsi price list is as followed

foundation *

USD495

essentials *

USD1,995

advanced *

USD6,995

and im sure u can opt for 64bit versions as well,

and permanent student licences can be bought for under 299$ USD for advanced version. unlike alias, where u need to keep renewing a student licence every year.

and xsi foundation is just like maya complete, which is probably in the 1,995 price renge.