A Lennox 95% Gas Furnace & 2-Stage AC unit ? $10,100 contractors price before tax credits. I'm thinking around $8,000 is more reasonable?

Here are the specs:

Lennox 95% Gas Furnace (model G71MPP-60C-110) (this is a 4 ton system)

Lennox AC Model # XC16-048 15.50 SEER
Coil Model # CX34-62C 12.30 EER

Additional work (Piping):
Condensation drain hookups
Condensation pump
Cooper refrigerant piping (New)
Gas piping
Drain pan under unit w/ safety switch

Air Distribution:
Newsupply plenum (new return drop)
Quote assumes existing duct work is adequate

Venting:
New PVC flue pipe

Controls & Electrical:
New all-copper electric circuit(s) and weatherproof disconnect and connections at outdoor unit
New safety switch at indoor unit

F100 Whole-House Media Air Cleaner
VisionPro 1AQ thermostat
Condenser Base (Concreate blocks)

Company warranty 10-yr on parts and labor
Life time limited warranty on heat exchanger

Thanks for your help

If you like lennox,, its not a terrible price, at least in my area

Sounds like a good price to me. I just did a quote for a church 5 ton. York 98% var speed furnace and 18 seer 2 stage ac $12,595