Nikon 18-135mm DX - HELP

Guys

I have had a Nikon 18-135mm lens on the front of my D80 for about 3 years now!

The lens has died and I need to replace it! The trouble is I cannot get this lens anymore, it was fab and suited my needs perfectly.

Where can I get another second hand one in the UK (I live on the Isle of Man).

Pretty gutted to be honest over this fault.

Any help or pointers would be really appreciated

Peter