Ubuntu forces me to upgrade every 6 months by being so stylish and cool, open and free that i can't resist.
I agree with you paqman, installing windows is a big pain, especially if finding drivers is tricky which it can be with certain brands.
In fact it was after a painful reinstall of windows, which incidentally wouldn't let me install without first removing all my linux partitions that i decided to stop dual booting and just use linux. never looked back
Bookmarks