Modular or Integrated?
Deciding whether you want an integrated or modular style of training is a personal choice. An integrated course has the advantage of typically being faster than a modular course as it is full-time and requires less hours and should provide high consistency of training, which is good for learning skills rapidly.
Courses are normally residential, typically have phases of training at foreign bases, and you will be with your peers for a large amount of time, which should give its own support group.
Historically the integrated course has been favoured by airlines, but increasingly this bias is lessening as the airlines shift to new emphases in selection. A modular course has no fixed timeline and can be tailored around the candidate, and course prices typically end up cheaper than integrated courses. Both courses require discipline and focus but the modular course requires more organisational skills on the part of the trainee to schedule the various elements of the course. The 14 ATPL exams on a modular course are also typically done remotely and at home, requiring enormous discipline and organisation. Some full-time residential courses are available to modular students for ground school.