The mini-wheel rakes work pretty good according to a couple friends of mine that have them. Think it depends on what you are raking. Grass clippings are probably too small to rake well. Leaves, small twigs, pine cones, would rake well.
Just grass clippings is what a lawn sweeper cleans up best. I pulled a 30 inch wide Parker with a home-made hitch for close to 20 years. They work better at faster speeds than slower speeds. Mow into windrows or lands so you don't have to sweep as much area, but there is a limit to how much material they will sweep up. They work great on leaves in fall too, if you mulch them up with a mower with a blocked off discharge chute.
I finally ended up making a gas engine powered lawn vacuum to handle my fall leaves, I could blow leaves into a solid 3 ft x 4 ft x 3 ft brick instead of just getting a couple double handfulls out of the sweeper. I've used it a couple times when the grass got too tall and I had to mow. Works best to mow the grass and day or two later come back and mow/vacuum clippings.