my favorite is in knokke heist belgium remix kiteshop.be right on the beach the owner there took me out the first day and showed me a series of powerkites on the beach, ended up buying 2 powerkites 2 harnesses,mountain board, buggie, 4 stunt kites, lol. he was also a good salesman went for many a beer with him during his work hours. the other one which i have been so lucky to have had the oportunity to visit is the rev factory in san diego they were exceptionally nice and of course informative i now (when the new ones arrive lol) own 11 revs including the 2/4 blast