Now that you have time before spring, get some mothers polish and a 4" and 6" buffing wheel. Take a bolt with 2 washers and a nut through the wheel center & tighten them down making sure to get it centered perfectly. Mount this in your electric drill and now buff away. The high speed works great and better than a powerball which I have also. Once they shine like chrome, protect them with Rejex. It is only available online. I use it on my polished aluminum wheels and all the chrome & polished aluminum on my motorcycle. The shine will last 6 months and dirt washes off so easy. I never use wheel cleaner. Once I'm done washing my car, I use a soft brush with the soapy water from the bucket.
http://www.rejex.com/rejex.html
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03 GT, STB, GM HD sway bars, 35% tint, GE893(37watt)fogs, Flowtech Terminators, 180 T-stat, ZZP DP & PCM, Ceramic PLOG & Crossover, 18" glasspack, 2007 17" Mustang Bullits 235/55/17 Pirelli PZero Nero, 12" R1 D\S rotors, gutted air box, GTP radiator