Obviously, the results are based on what Michael's sells. Which isn't much different from what the other big box crafts stores sell. But I did notice The Ultimate glue by Crafter's Pick didn't show up on any of my results, although I thought Michael's carried it? The Ultimate is my favorite for gluing gemstones & rhinestones to ultrasuede, and anything else I can use it for.
Another site, and one that's been around for awhile, is This to That: