SAMPLE SALE: Obey Clothing hasn't merely become iconic 'round these parts, but around most parts, too. So when a big ol' sample sale rears its head, people line up. There are rules -- no backpacks, payment details -- and there are dates -- Friday, June 25 and Saturday, June 26. SANTA ANA WAREHOUSE: Make it a day. Arriving with time to lookie-loo around is advisable, too. It's a popular one.