SO let me see if I understand this...
CJ is asking `should I buy more gear that might make me faster?'. Unless one of the physical constants of the universe has changed, the answer to this question is required to be `yes'
I run in mine full time now and they feel less odd than they used to. One of the persistent advantages of the shoe appears to be that every step provides a reminder / reinforcement of my preferred running form. If you are already a midfoot / forefoot runner I'm not sure what these shoes will do for you, but as a reformed heel striker I still think they are worth the money.