1. I'd read the fine print. You only get your CFI, not CFII or MEI until down the road and there's no way it should take you 12 months to go from 0 to CFI if you're at it full-time.
2. What if you want to leave early (2nd 12 month during your 'CFI' phase?
3. Colgan isn't the best airline out there and certainly not one to be bragging about a connection with. Also, it's only a guaranteed interview, not a job.
4. You can build 1000 hrs on your own quicker and come out with more multi in the 24 months you'd spend there.
I'd definitely keep looking for info and talk to people that have and/or attending there. I hadn't heard of them until I read your post.
Semper Fi