Are qa-1800 PSUs easy to buy in UK

I am buying a new LCD panel, a sharp QA-1800, it comes with a power supply unit but the PSU for my other LCD panel burnt out and Im worried that if the same thing happens with the qa-1800 PSU then I'll be stuck in the same boat. Hopefully the PSU for the QA-1800s are easier to come by, so if you know of anywhere on the net where I could buy a backup, can you please let me know.
Thanks