Lots of Richard's records can be bought online at the biggest record shop on the net: Amazon.
But if it's not there then it should be available here: Musicimports. This company specializes in rare import records from all over the world.
And finally here you can get lots of rare stuff including limited release records, unreleased or promo things, and lots of other merchandises, it's worth to check out this auction site: Ebay.
Kamm's Aphex Twin Site
