The one and only possible issue I could point out to you, is that Xotic makes custom builds in a lot of cases. So if you have some kind of warranty issue, you have to first send the unit to Xotic, who will undo all of their changes before sending the unit to us. We then send it back to Xotic when work is done, and they return it to you.
From past experience, this adds about an extra 2 weeks onto the total RMA process. If that's not an issue for you, then I have no further comments.
As scott stated, the only downfall to the laptop is if there does happen to be some sort of hardware issue, the return process will take slightly longer. For the most part this should be irrelevant in your purchase decision.