My mum got me one about 4 months ago (think they were by 1 get 1 half price) so I don't know the 'hype'! When you lift the mop from the bucket into the spinner it tends to spill water onto the floor even if your reeeeeally careful! This doesn't bother me too much as your getting the floor wet anyway. But my mums 1's handle broke in 2 the other day. HAving said all this I do actually like it!
I've got one. I really got it to try it out for my MIL because she has arthritis and can't twist or grip with her hands very well. It's good in that you can put the heads in the washing machine and wring it out amazingly with no hand strength, but the handle broke and trapped the skin in between my thumb and finger, which absolutely killed.