Anyway, getting into anything more than the intake just sounds too costly to me anyway and if I could afford it Id just get the R/T.
I may be wrong, but I believe free warranty work done by the dealer is reimbursed by The Mother Ship. Every time I take my car or truck in for service, they're always looking for free stuff to do.
At any rate, it all boils down to your level of comfort between money, performance, and warranty risk. The V6 will provide you good go wrapped in an awesome looking car, but chances are it won't win many street races. If you want kick-ass performance and you can afford an R/T, go for it. If you're broke and want R/T performance, ask Santa
Other options not discussed yet are putting the car on a diet.