Looks good. Everything is nicely legible and logically positioned. If anything, you might want to do something with the greys to liven it up just a tad; those parts feel a little dull.
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Take a look at the alignment of the product offerings - each of them is slightly off (possibly my browser - IE8). Layout is fine, but looks slightly boxy to me. Color depth or enhanced hue would help. Definitely has potential - very professional.
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View full features - Why is the bottom left and right corner's of this rounded? Nothing else is rounded on the page so this shouldn't be. And if you are going to keep them rounded make the radius smaller like 5px. And maybe make the top buttons rounded on the top corners.
Got questions bar - Why is this beveled? Again nothing else is beveled on the page so why would this be?
Buy now button - This should be a darker shade, like what you used on the server upgrade background.