These Wharfedale 9.1's provide an amazing sound considering their low price and compact size. They're very well built and have a high quality look and feel. They are powerful and very loud for their size. Nice rich powerful bass and very good mid-range and highs without distortion. They punch well above their weight.
I think the main reason for the low price is simply due to them being superseded by the Diamond 9.2's. I daresay that the newer speakers are an improvement - but I bet you'd be hard put to notice the difference - unless you were a dog, of course.
I chose these over the F1 Mercury Tannoy speakers which are similar in terms of performance - but not necessarily in terms of quality, in my opinion.
If you shop around, you'll find these at around £80 - What a bargain - if you can find them grab 'em quick - you won't be disappointed!