Specifically, I'm running Mint 8 (Helena). I'm extremely new to Linux, and was searching for a solution that was user-friendly and GUI oriented. The box won't be used for much other than web browsing and word processing.
Anyway, it runs relatively smoothly, except for Youtube videos... especially full-screen, which runs at like 1 FPS, and even after closing, slows Firefox to a crawl until I restart it.
I'd seen an xkcd comic on the matter, but regarded it as a joke until now. Is this actually a problem? Are there any remedies I can try to smooth the applications?