Then you should use the time from now until you are actually going to buy something to learn. Do some research and go to the tracks.

Then when you are ready to purchase you should ask for help (if you need it) to determine what to buy.

It is most likely that the kit or parts you consider now is not available or upgraded when we reach christmas time.

Furthermore there could be some new and more interesting stuff on the market then - or some good prices on other things.