Ok. Done deal.

Trane XL16c 4YCZ6048 Gas/elec package.
http://www.trane.com/Residential/Products/Packaged-Units/XL16c-Gas-Electric-Packaged
16 Seer, 4 ton. Installed $6,250.

After the credit, its 4750,. That's 750 less that the 14 seer 4 ton Carrier Prestiege and only 150 more than the 14 seer 3.5 ton Preferred Bryant.
Case closed. Deposit given.
I'm pleased with it.