Originally Posted by Hebiki

the shelf life for the TA05 is gonna probably extend (at least) another year or two..... so when the sales of the TA05 starts to slow down, then you'll see new versions come out. Like a TA05-R.. then TA05-TRF... etc. they did this with the TA04 and TB-02. the TB-02R came out much quicker since the car wasnt very popular with a very short shelf life. in speaking with Fred Medel from TamiyaUSA... dont expect to see a TA05-R until 2008 or possibly 2009.

i would "assume" it can come sooner if sales suddenly drop. but thats just my assumption. with the popularity of the car, i think you can expect Fred's timeline to be accurate.