LiveAquaria has a mated pair of Picasso clowns (A percula misbar variant) and also a mated pair of gold stripe maroons.
Also, if you're thinking about getting a carpet as your first anemone, you may want to rethink that. Carpets are some of the hardest to keep anemones you can buy. Make sure that your tank has been FINISHED with its cycle for at least 6 months before you even think about getting any kind of anemone, and maybe try one of the hardier varieties.