Is it any good?
Aint there like a box that uses sky's cables and gets loads of free channels? There is some on ebay but you need a different sat dish (I Think)
Get the humax box
Theres a humax PVR out very soon, wait for that if you can.
If you are not interested in the HD freesat channel(s) and you are outside the 12 month sky contract just cancel the contract and use the sky box for the free channels.
It gives the HD one(s) and all the other free channels (no channel 5 at mo I think)
http://www.freesat.co.uk/index.php?page=whatson.Main