It is also well worth keeping firmly in mind that if you have a particular site that needs "IE, running on Windows" (for whatever reason...), and you (again for whatever reason) have decided that "you need to get to that site," then ...
... running Windows, and even "buying a cheap computer that runs Windows," for that purpose, might actually not be such a bad thing. These days you can get your hand on suitable hardware that will do this for just a few hundred bucks. Even if you use the machine for absolutely nothing else, it might be okay.
What you don't
want to do is to "
around with it" when it's not going to reward the effort spent. The fair market value of even two or three days spent "
ing around with it" might cost more than a cheap used computer. (That time is much
better spent working with cool and groovy things, like, say, Linux...)