vista---snow leopard dual boot disaster

[TJDJ]

hey smart people

I currently have a stable hackintosh running the latest version of snow leopard although I have decided to instal vista along side snow leopard, can someone help me? every guide wants vista first! is there a way I can do this? I currently have both OS's installed and can boot into both via using empire EFI although I cannot get it booting from hard drive! please help