RE: Got most things narrowed down!
Not a popular opinion on this site but non the less it is my opinion that its always the best advice to get the best you can afford in radio equipment if there is any chance at all that you will be staying in the hobby/sport.
If you are new and the choice is between 2.4 and 72mHz systems then indeed the 2.4 is the better way to go. Simply because you are starting out and don,t have a hugh fleet to retrofit.
The number of channels frequently are not the real issues but the features are as most manufacturers tend to add more features to systems with more channels.
At one time I always recommended a simple basic four transmitter for beginners but no more, now My recommendation is for an entry level 6 channel computer type which are not that much more expensive than basic fours with little or no features. It is quite evident (agine only just my opinion) by watching at your field and even just a little reading on these forums that those who buy the cheapest basic four radios are very soon in the market for new radios. Entry level computer type six channel radio systems present no problems for the student as long as he is working with a mentor/instructor.
John