For HDD camcorders , I would go with the £4-500 models TBH
The Sony SR 190 seems like a good idea
What you lose by buying the £150-200 models are
Are
Good quality footage
Colours , contrast, Low light ability, Ability to get footage of movt reasonably smooth on playback
And reasonable HDD space
If you cant stretch to that, The mid price tape based MiniDV models offer much more quality for the money but the stigma of tape ( old technology and not convenient )persist but there are just that.. a stigma. It is still a digital recording medium
Look
Here for the less costly HDD Sony