Top of the ladder
The question about whether to upgrade or transition is a difficult one. Having been in a similar situation and having taken the command. The company i worked for had no further options for me I was top of the ladder.I flew the biggest aircraft they had. Many here talk about their careers with progression through the fleets as a captain, this may not be an option if the company he takes the command with doesn't have that sort of fleet. While the captain time is invaluable he may find himself with a couple thousand hours command time and still having to go back to the right seat with another company to "progress". This would put him a few years behind had he just gone anyways. Especially in the US where direct entry captains are very rare. Food for thought?