I agree with the previous poster. Different DAWs are aimed at different music genres. For example, FL is more aimed at electronic music production - it's loop-layer style interface makes arranging electronic styles a rather simple process compared with more Advanced DAWs.
Personally, I feel that Cubase is the best DAW for production in general, where all music genres are equally catered for. Ableton is somewhere half way between Cubase and FL, with a focus on electronic music, but features to support other types of work. FL has also become more broad and more powerful over the past few years, but it retains its more electronic-user-friendly workflow. I don't know much about Repear, but it may be worth watching a few demo videos on each of these DAWS.
Learning a DAW is a large commitment and you want to make the right choice before you spend time learning it.