There are actually a few burnaby all you can restaurants around the metrotown area that are decent but need improvement.
One restaurant that I go to on a regular basis is the Fish On Rice is one of them. I won't rate this very high yet for an all you can eat restaurant there is not much too complain.
Food: I love how they serve teriyaki at this plate. They serve it on the iron plate which is quite nice presentation wise. The rest of the food is just plain mediocre.
Service: You get what you need. Thats not much saying much
Ambiance: Very Plain.
I would recommend this place over Sui Sha Ya.