Occupying the second floor of a corner building on Denman Street, Tanpopo has a partial view of English Bay, a large patio, and a huge menu of hot and cold Japanese dishes. But the line of people waiting 30 minutes or more every night for a table are here for the all-you-can-eat sushi. The unlimited fare includes the standards -- makis, tuna and salmon sashimi, California and B.C. rolls -- as well as cooked items such as tonkatsu, tempura, chicken kara-age, and broiled oysters. There are a couple of secrets to getting seated. You might try to call ahead, but they take only an arbitrary percentage of reservations for dinner each day. Otherwise, you can ask to sit at the sushi bar.