While definitely a bit pricey, especially when you have to convert dollars into pounds, there is an artist in London that makes hand made goggles which can be fitted with your lenses. I have 2 pairs from him myself and ordered one pair for a friend and had lenses put in by a local optometry.
Now one note: I'd recommend the glacier goggles for BM and putting Rx lenses into: http://atomefabrik.com/pages_goggles/glaciers.htm
They are made of aluminum so are light weight and work perfectly on the Playa. (And he's using a pic I sent him as this "burning man" example. How cool!)
Now he also makes brass steampunk goggles:
I have a pair of the aviators and they are simply the most amazing goggles you could get. That being said, they are made of brass and as such are quite heavy. As such, they aren't really good for daily wear goggles on the playa and Nicolas recommends you use the glaciers for that.
He needs 4 weeks lead time for them and they take about a week to ship from the UK so if you want them you'd have to order like now.