Hi all I am new to all this Mac OS X on a PC so go easy on me I have iDeneb v1.4 coming my way shortly and I was hoping you guys could tell me if this is the best version to (use see my spec below) because I have noticed there are quite a few different ones about iPC and other.

Intel Quad Q6700
Gigabyte EP45-DS3
Radeon HD 4870
4gig 1333 Ram

Also once I have iDeneb v1.4 ISO is it just a case of burning to DVD then booting from the DVD and installing it on a seperate partition to my Vista install to allow for dual booting, also will I be able to upgrade to 10.5.7 without any problems ?

Can I purchase a OS X 10.5 CPU Drop-in DVD and install a vanilla setup with this ?

I have also been reading up on installing retail version of Mac OS X and using Boot-123, what are the pros & cons in doing it this way and is this the road I should be going down