TSG, thanks for the clarification. I've been checking their site daily, and they must have snuck that by me the one day I did not check.
Regarding Radar's target for each version, my opionion is that they are offering product for as wide of skier profiles as possible. If you are someone who is willing to trade foregiveness for quicker response, than Lithium is for you. On the other hand, if you are battling constantly changing variables such as water conditions (and your inconsistent technique like me), than the more foregiving alloy may be a better solution. My $.02
I would love to be able to demo Lithium vs Graphite on back-to-back sets. Hopefully, someone else will over the next 6 months, and post their thoughts.