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Then I'd need any light set that worked on a 6v right?
Pretty much.
I bought my lights from Rose, spent a bit on the front (£40 ish I think?) and glad I did as the light is fantastic. It's the IQ Cyo something or other. rear light I just went for a dirt cheap B&M number and again, it's fantastic. Think it was about £7 and it's super bright.
Probably worth chucking a few extra connectors and shrink wraps etc into your order too.
There's an ebay shop who sell dyno wheels all built, bundles with lights too, really fast and easy and cheap. Bought the basic lights & 26 wheel for a present, has a pretty basic shimano hub but it's fine. They do B&M setups as well. Can't remember the name but it's been talked about here or on the dynamo hubs thread by @cornelius_blackfoot amongst others.
Edit: Shop name is partsforbike-online.