A proper mill - something that'll take a couple of cubic inches out of a casting in a relatively short space of time...

It could wait till I get the 'big' lathe running...

Didnt think B&Q sold milling machines, nothing on their website and cant say I've ever seen them. I've got a cheap pillar drill from B&Q - bought in the sale a couple of years back, reduced from £75 to £15 last one and with a damaged box but its not exactly a solid bit of engineering, struggles with 6mm into cast iron or 8mm into steel.... but hey, the drill bits cost more than the drill!