I just received our 2201mb. Ordered last December. Since then several features changed in the new model year. We have Goodyear Endurance Tires, changed outdoor kitchen burner stove to a Griddle, we had choice of Propane/Electric Refer but they only offer Electric now ( after I ordered the other as an option my thinking changed a little and actually glad they changed this), Tanks are significantly bigger. I think they were 42F,35B and 35G and now are something like 60F, 45B and 45G. The GVWR for trailer went up from 7000lbs to 8400lbs, dry weight up from 4900 to 5700lbs. Everything worked great on shakedown except we didnt use Griddle. Only one minor issue with trim on the dinette seat, so pretty happy with it.
Hopefully you will get yours soon! when we ordered they said two months, turned into 10 :-(.