ive had mine for almost a year now, and its still running great :)
I have ipod touch 3rd gen and sometimes it doesnt connect but it can be solved by turning the music on with the ipod itself and whilst it is still playing you can connect it to the dock and press the power button, then everything should work fine.
another problem may be that it doesnt really hav a low volume, even at its smallest volume level it is still relatively loud. so if you like to listen to music quietly i would not recommend it. but if you are a metal head like me and enjoy loud music then it is awesome!
another thing is that the wiring for the adapter is wearing away so that leaves some of the wires exposed! but nothing a bit of duct tape cant solve :P as long as it doesnt affect the performance of the speaker then im fine!
i bought it for 15 pounds but it seems the price went up :/
despite all the negativity im still happy with it and give it 4 stars :) becoz of value and reliability!