Dualboot Windows 7 & OS X Leopard

[millenium man]

Hey!

I've a question and hope you can help me Here it is:

I own a hackintosh for almost half a year now. However, now that Windows 7 is available I want to install it as well, as I don't get the FullHD Resolution of my display with OS X ( thanks to ATI X1400 -_-).

Therefore I'd like to ask, how to dualboot Windows 7 and Leopard!
Is it like Vista, so could I just use a Vista - OS Guide? Which one would you recommend?
And right now I'm using a Leo4all v3 OS X - should I change? Is there something new/better (I'm on a Thinkpad 2007-6RG) ? With Leo4all v3 I already now which drivers to select etc. - but as mentioned my graphics card doesn't work (artefacts + max. res. only 1600x1400) - do you thing another distribution could solve this problems?

Thanks in advance & I'm looking forward to your answers!