Probably the best AYCE I've been to, due to the variety. I've been to a few AYCE restaurants and while some served their standard quality dishes, they didn't serve AYCE portions, or others only had a couple of items that were actually worth ordering while the rest was pretty much bad. I generally don't go to AYCE due to the high cost that usually leaves you with less food per dollar. While a standard meal will give you leftovers to enjoy at home, AYCE generally gets you one $15 meal's worth of food for nearly double the price. Tatami Sushi surprised me; I ended up eating a large variety of dishes and didn't dislike any of them. I definitely got my money's worth!
I don't recommend the rolls, at least not until you've tried everything else. They are the right size for AYCE but they really don't have any flavour. Overall, they are boring and will just keep you away from better choices.
The skewers are pretty good. The mushrooms are great. The sashimi is good. The scallops weren't overcooked but also had no flavour. The other cooked fish choices are very good.
I suggest trying one of everything on the menu. Order starchy items last (rolls, breaded items).
I believe someone at the table ordered teriyaki beef and I found that, although it was a bit rubbery, the flavour was nice.
The absolute best dish was the black pepper beef. I had to order it twice, one of the times in the middle of dessert. It was perfectly cooked.
Dessert was alright. Standard ice cream choices and a chocolate mousse. There was some pudding as well. All dessert items were nice. They seem to store their ice cream properly. I think I ate two servings of ice cream and three servings of chocolate mousse. There were quite a few empty dessert bowls at the end of our meal.