If i wipe my HD and install windows 7...

iluvifone said:

Can I still install Lion again (say, 5 months down the road), and dual boot them, or will I have to wipe my windows 7?

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Why exactly did you buy a Mac in the first place if you intended to do this?

You could simply make the biggest partition for bootcamp that you can and leave a small OS X partition. For things like firmware and EFI updates you're going to need OS X anyway.

Installing solely Windows on an MBP is doable, but you're going to hate your life trying to get OS X back onto it.

snaky69 said:

You could simply make the biggest partition for bootcamp that you can and leave a small OS X partition. For things like firmware and EFI updates you're going to need OS X anyway.

Installing solely Windows on an MBP is doable, but you're going to hate your life trying to get OS X back onto it.

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Agree ... leave a reasonable sized mac os x partition ( 20 gb ? 30 gb ? ... make it 40 gb if you have a reasonably sized internal disk ) and do the rest under bootcamp.