Hi Mike, I think you will find that the notch has plenty of width, especially in the middle. With the two doors, excellent length, and height, you get a very airy feeling as well. The sq footage that Henry posts seems a lot smaller than what the actual tent feels like. For example, it feels (and is) far more roomy than the MSR Hubba (I can't lay in that one without pushing out the sides of the tent...and this is without a sleeping bag - too small, too heavy, too narrow).
Would love to have you provide a direct comparison (with pics) when you receive the Notch. I am sure it would help out the OP.