ASK AND YOU SHALL RECIEVE!

http://www.atpflightschool.com/progr...ti-engine.html (Seminole)

AND

http://www.shebleaviation.com/multi.html (Beech Travelaire)

AND

http://www.sunstateaviation.com/multi.html (Beech Duchess)

AND

http://www.tradewinds-flight.com/MultiEngine.htm (piper seneca)

If you want to stick with the semiole ATP is your best choice for the no nonsense, get in and get out rating. The others are good choices as well to just get the rating.