Parking sensors

[bigdavy]

Ok now i'm back in a 17ft jag after a couple of smaller modern motors with parking sensors i suddenly realise just how useful they are.

So i'd like to fit a set as i plan to get both bumpers painted due to scuffs anyway, but question is whats good? Are they all much the same or are the cheap ones on ebay a load of crap? Basically they pretty much all look the same! Quite liked these ones;

http://www.ebay.co.uk/itm/230320756138?ssPageName=...

So any recommendations?

[Codswallop]

I got a set of the DPS400 audio parking sensors from here. They were recommended in an Auto Express test of parking sensors, and I've found them to be good. Service from the company was also good when I accidently broke one of the sensors, and they sent a free replacement.

My parents have fitted the same setup to their cars since seeing my ones (I should be getting commission)