Bear studios has updated their MiG-15 package to SP3, which is now supposed to be FSX Native. Confirming that detail on reinstall.
http://www.flight1.com/products.asp?product=MiG-15
http://www.flight1.com/products.asp?product=MiG-15
Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.