Meguire's #80 (Speed Glaze) is as course as Meguires recommends hand applying. It rates a 4 out of 10 (4/10) on Meguire's abrasiveness scale.
Consider a polisher. If you can't afford a PC and all the wonderfull foam pads, consider something like the
Turtle Wax® 6 inch Waxer Polisher.
No variable speed, and you have a limited selection of bonnets, but at 1/5th the cost, I think it's a good introduction. If you find you need more, get a PC, and you really aren't out too much for this polisher.
#80 will work faster in a polisher. But if you still need more, here's Meguire's line ranked by thier abrasiveness scale:
#02 Fine Cut Cleaner (5/10)
#01 Medium Cut Cleaner (6/10)
#83 Dual Action Cleaner/Polish (6/10) - seems to be more popular here than #01 above.
#04 Heavy Cut Cleaner (8/10)
#84 Compound Power Cleaner (9/10)
#85 Diamond Cut Compound (10/10)