I've already done a drive-time rant on Mechatronics.
I'm a big believer that if you don't know if a career option is for you, then it's probably not the career option for you.
Engineering ain't that great unless you enjoy it IMO. And if you enjoy it then you don't think about it and just do it. Those people that don't have jobs probably aren't good enough, aren't trying hard or smart enough, or aren't branching out enough. There are always jobs out there, there is no reason to be an unemployed engineer.
Dave.