Graphics core from Broadcom is still closed source and really hard to use to get the max out of it.

If you're on batteries, consider your power budget!

You can not use Powerdemanding usb devices like a hard disk without external power.

It is overheating really fast without a fan.

It is very expensive and comes close to a Celeron nuc if you buy the 4GB version plus case, power adapter, sdcard, and some adapters.