Dunno if this is anything like the Bosch Ixo (I suspect it is) but it also comes with a massive collection of accesories.
This has to be the cheapest Li - Ion anywhere.
3.6v Li-Ion Screwdriver
Compact and Lightweight
Lithium-Ion Batteries hold a charge much longer
Includes a 102 piece bit set
£5 delivery but there are a LOT of offers on at Focus so you may be able to make the £5 delivery go a long way as it isn't charged PER ITEM.
Get order over £50 for free delivery (With attached £5 Voucher)