new nass drive

ok lads the mybooklive ive got ent working right so im thinking of going up a little bit im not sure what wrong with it but ive desided that's the problem you get with these all in one units

so im thinking of getting one of these but cant make my mind up

http://www.amazon.co.uk/Synology-Dis...4812316&sr=8-1

or

http://www.amazon.co.uk/QNAP-TS-212-...4812404&sr=8-1

I wont need to get a new hard drive as ive got a spare 1tb about the 160 is max I can go to for now