Better Router

Looking to get a decent router

budget £200.

Must have QoS
Must be reliable. The reason I want this router is because our current one is constantly requiring a restart. This may or may not be because it's a 4 port machine and we have a network of 16 machines (all rarely idle).

Looking for a RELIABLE, router with QoS so that I can allocate a minimum amount of up, and down bandwidth (separately) to each machine on the network (or at least each port on the router!).

The £200 should give me reliability, not feature set, i don't want an all singing, all dancing but constantly tripping up box. I just want something reliable that has QoS.

4 port would be fine, we have switches. So long as it is capable of dealing with traffic from say 10 machines at the same time.

Anybody recommend anything?