I agree with allen.
The main problem with the Fusions was with their chroming process, not the fact that it is chrome plated aluminum. Almost everyone these days is driving around with chrome plated aluminum wheels on their car without issues. With Fusion (and some other wake manufacturers), their parts were plated in china and the chinese are notorious for bad chrome plating.
We've been chroming our products for years without any issues. I'll admit that it took us a long time to find a solid and reputable chrome plater here in the US.
As far as raw polished parts go...they look great for the first few months but they certainly take a beating in a water environment and need constant upkeep with polish etc. On the plus side they cost less.
If you want the best longest lasting protection, then you will want to consider anodized aluminum (especially if you ride in brackish water).