Might not be a bad thing, are you getting paid or just getting "paid" with the type?

Turbojet types are worth some money, so if we are talking a few weeks or even a couple months it might be worth it even if it's no-pay.

If you are airline bound, the type will help in that shows you are a good training risk. But you will still need the competitive flight times.

If you are corporate bound, again you will still need 1000+ hours to get insured but having a type could seal the deal. Of course I would carefully consider WHICH type to get (cough, cough Citation), assuming you have a choice. A G-V type might be cool but will probably not help you get a job at the entry level.

If you don't have a flying job, might as well do it. But I wouldn't quit a flying job in this climate.

You have to make the decision corporate vs. 121, nobody else can really tell you than answer on that.

If you get into corporate flying and get successfully established, it would not make sense to take a regional job (unless the economy is really bad, in which case many corporate pilots just work non-aviation jobs). 121 is more stable as far as actually having a job, once you get some seniority.