Ive been with Lakes for 2 years and counting.
Not a pilot with the company, but I can comment on upgrade times in that I've seen newhire FO's reach CA in 10-14 months. And these were guys that were hired with around 300TT.
Id say about 90% of the pilots are all good people to work with. Mostly a younger more laid back crowd, early 20's to early 30's agewise. Of course there are a few bad apples, but every airline has those.
The company itself? Well...there are many things Im not pleased with, but I'll save those comments for private discussion if you're still interested.
So far as I can see, the two biggest pluses that Lakes has going for it from a pilot perspective are 1) the people you'll fly with. 2) Fast upgrades. You don't come here to make a life long career out of it or become wealthy, thats for sure.
A lot of guys say the class/training is pretty tough.