"is it possible to install windows later on and still be able to choose which one to boot up on?"
When you install Windows it will install a boot loader on the MBR which will only boot into Windows. So before you install Windows make a boot floppy that you can use to boot into SuSE. Then install Windows, use the boot floppy to boot SuSE, and use SuSE to set up a dual boot loader on the MBR.
"does suse come with Wine or sumthing like it?"
Yes. Wine is on the SuSE install CD. Wine does not work very well because of inherent problems in emulating complex software. I think that you will find it easier to convert your applications to the Linux equivalent than to try to get Microsoft applications working on Wine.
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Be prepared. Create a LifeBoat CD.
http://users.rcn.com/srstites/LifeBo...home.page.html
Steve Stites