For what its worth, I used one of the i5 NUCs (first generation ones) with MBC for quite some time and worked well. Unit is now happily in use as my sisters media center.
The Wi-Fi although listed as 'n' did have some troubles streaming some of the larger files sizes and that was with the unit only 4mtrs from the router! Not an issue playing a 30gb HD file locally though. I think this may be a little weak due to the built in antenna as part of the case and the unit I had didnt have an option to have an external antenna.
Also be aware that they run very hot under load and would recommend good ventilation otherwise you might start to notice the fan spinning too high all the time. They are designed to run hot as the case is a heat sink but still I found the fan noise noticable unless I had the volume up more on the TV.
I'd assume the bay trail nucs won't run as hot as that cpu is going in tablets...
Should be improvements with haswell too due to architecture size reduction?
Anyway I'm skint and can't afford either!!!!
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