The radios alright i guess but i want to put my cd player in it now is it hard easy or what? any advice?

Is it just a bog standard swap for the old one you're after??

If so, it's pretty easy - quite a few threads on it

You will need radio keys (or a wire coat hanger)
Fascia adapter

EDIT:
Yeah...that one *looks down a post*

if your gonna buy a new HU you will need to buy this
http://cgi.ebay.co.uk/Fiat-Punto-Fa..._Vehicles_FasciaPlates_SM&hash=item3a57036959

what do i need to do when i have bought this? new HU is it just a case of taking out the cassette player unplugging it and plugging the cd player in?

Just swapped my radio using a similar kit to the one linked above and found that the ignition feed doesn't work with my new radio. I've had to connect the switched (ignition) feed with the permanent feed. The switched feed appears to be 7V when the engine is turned off and 4.5V with it turned on. Why on earth they can't use a standard 12V fixed feed for the ignition switch I've no idea!
All I gotta do now is remember to turn the radio off when I get out of the car or the battery goes flat - either that or run a wire from the cigarette lighter to the switched feed on the radio thereby allowing the radio to turn off with the ignition.