I've got WP 2.0.4 installed on my computer and and a Movable Type export file. I've used this file to import my old blog to a WP.com blog and I haven't had any problems, but when I try to do the same in my WP it doesn't import nothing.
That's weird, because in the import process WP asks me for the user I want to assign the posts to and it tells me at the end "All done. Have fun!", like everything were done, but none of the posts that should be imported appear listed over the all done final message.
I've got Apache 2.2.3, PHP 5.1.6 and MySQL 4.1 installed and all the compatibility problems apeared during their installations were solved. I use PHPMyAdmin and I ton't have any problems with it.