Re: Bad FPS and Horrible hang ups on World of warcraft!
Can you try using wired ethernet instead of the USB wireless? I googled around and there have been problems with getting linux drivers working for the Linksys AE1000 in the past, although the silence of recent post seem they may have work themselves out (or people stopped using them).
Also try rolling back to an older set of nvidia drivers, perhaps 304.x or 310.x series.
You didn't state what version of Ubuntu you are using, because the stock Unity3D desktop environment uses compiz which can interfere with 3D performance. There several work arounds for that depending on how far you're willing to go.
Dell Latitude D630 - 4GB RAM - 128GB SSD - Nvidia Quadro NVS 135M - Intel 4965 wireless - DVD/CDRW - bluetooth - fingerprint reader
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