I don't think there is any complete cluster set with shafts available new for under $1000, good second hand sets come up on US eBay now and again.
Any complete set that seems to reasonable is probably made from recycled Reliant Robin hub caps so buyer beware..... The pirate gear thing springs to mind if it is true.
I read on FarceBook (or somewhere) that the US dude who is going to make the Norton heads is working on a gearbox set so that might be a future option.