[Kiskakas]

I have mine all set up is there any way to get any sound out of HDMI and it seem that xbmc is not very good in windows 8.1 my ouya seems better to me.

Which operating system are you using? HDMI audio works fine in all but for Windows 8.1 you need to use UEFI boot and have Legacy Boot disabled.

If you're using Linux Mint, the no HDMI audio problem isn't NUC specific. There's a known fix from another thread:

Add the following groups to your account: audio, pulse, pulse-access, video, voice
In a terminal window run the following:
sudo add-apt-repository ppa:ubuntu-audio-dev/alsa-daily
apt update
apt install oem-audio-hda-daily-dkms
Reboot the system.

JasonHoffman

After installing linux mint 16 (UEFI enabled legacy disabled, because legacy boot didn't worked at all) I had no menu button on the left bottom corner (in fact I was not having anything on desktop just a welcome window). I was only able to do a right-click nothing else. I have updated linuxmint, tried to get back mint menu etc. with no luck.

Which version of linuxmint did you use or what was the trick you did to get menu?

Thanks in advance!