Hi Realdeal.UK.
Can of worms

. Would help if you could answer a few questions first....
Will it be used in a dedicated room?
Is the room light controlled?
What are the room dimensions?
What sort of distances does the room allow from pj to screen?
Have you ever demoed a DLP? If so, can you see rainbows?
What source will you be using? HCPC / Standalone DVD?
What can the source output? Component / S-video / VGA etc.
There will be many more questions you ask yourself before you buy one, but these are a good place to start
Cheers,
Mark.