Meguiar's a good polish and wax. I used gold class for years before stepping up to Zaino. I still use the M105 and M205 polishes when needed. I also use PlastX, ScratchX, gold class clay bar, Final Inspection spray wax, and Meguiar's buffing pads. My favorite parts-store-available brand.
2002 Chrysler 300M Special - Deep Sapphire Blue/Storm Gray Metallic - 142,000 miles