It would be nice if you weren't strapped to choosing a travel power just because you want something deeper in a travel power set.
Is there a way to make ANY travel power (flight, superspeed, etc) count as one of the chosen abilities across all travel sets regardless of which actual travel power you choose.
EX. Let's say I want Burnout from superspeed powerset, but I want Flight as my travel power. In this case, I would be allowed to choose Flight which would count as the first, then hasten or flurry and something else to get down to Burnout.
Since a travel power is almost always taken as one of these abilities, I think it would be fair. The only argument that could be made against it if it is feasible from a coding standpoint would be that this could count across multiple travel sets and act as multiple powers across additional travel power sets but i don't think that would even be worth considering for most