I don't know what others will advise, but I have heard that a new screen over on our side of the pond is prox US$90.00 from Philips... that is rumor and not fact, btw.
I would very seriously consider calling their UK tech support number to find out what they would charge you to do the replacement before you make a final decision, only because you will then have a comparison and can evaluate the whether the additional cost to have them do it, but having some kind of warranty from them, is worth it compared to you taking on the job yourself.
-Bruce
alpha2data
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