Definitely the egg beaters. I have two sets of the egg beaters and one set of the candy's. I just removed the candy's from my bike last night. I don't really need the platform.
As for are the stainless worth the extra $40 that is up to you. To me they are, I hate seeing the surface rust on the spindles of the c's.
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I may be fat but I'm slow enough to make up for it.