Wireless router not working

[BullBoyShoes]

My buffalo airstation has worked fine for over a year now suddenly has stopped working! On the PS3 it could see the network but not obtain an IP address, deleting the connection and starting fresh sorted that out. But today when I switch it on none of my wireless devices can even see the buffalo wireless network let alone connect to it!

The wired 4 port switch part of the buffalo is still working though

So, is it time to get a new router or am I missing something?

Thanks in advance