1. You might want to check out this thread:
Which Flights Have The new Biz Seats
I guess ORD-CPH are pretty A340 frequent, but I have been on EWR-CPH on A340 as well. Check with Amadeus or something.
2. It is over average if you compare with other "old" j-seats. For a west bound it is good, for a night flight a flat bed is the thing for 2006, of course.
3. All seats have power outlets, but beware, it does not fit standard Euro earthed plugs (you may bring a converter - randomly available on board) and is limited to 70W meaning professional laptops can not be used