Hi ccraymond,
I’m not sure which of the Comforpedics you are looking at but I would be aware when you look at the specs that the NXG memory foam is 3.5 lbs and the NXG advanced memory foam is 5.5 lb which can make a significant difference in durability. The choice between a pocket coil innerspring (in the NXG series) and a 2.0 lb polyfoam support core (in the Comforpedic) for me would be based on feel and support with pocket coils being more conforming. The NXG firm versions use a heavier gauge innerspring while comforpedic firm versions use a higher ILD polyfoam (43 vs 30). I would avoid 3.5 lb memory foam completely though, especially in this price range, and quite frankly … neither of these represent very good value IMO
The closest factory direct manufacturer to you is http://www.sleepmastermattress.net/ in Syracuse. They manufacture their own line as well as WJ Southard and bemco mattresses. They make a full range of mattresses and I would call them to enquire about what models they make that may have similarities to either the Comforpedic or the NXG. They will also have options so you can try other types of mattresses side by side.
On a more local basis … there are a few options that may be worth pursuing more than others. I would call to see if they have anything that may be similar to either the Comforpedic or the NXG (high quality memory foam or memory foam/latex hybrids). I’ve included brands their websites says they carry which may have some better value models. When you are shopping locally … the willingness of the local outlet to give you the specs of the mattress (including the type of material used and the density of any polyfoam or memory foam used) is very important so you can make sure that any mattress that you like is using durable materials that will better keep the qualities you like in the showroom over time. Without this … you are rolling the dice as to how long any mattress will last.
http://www.metromattress.com/ Vestal. Spring Air, Therapedic. CAUTION: Be careful here because they tend to specialize more in major brands which they may tend to overpromote and make sure you don’t buy a mattress on the same day as you test them or that you know the specifics of every layer in any mattress you consider here.
http://www.olums.com/ Johnson City. Pure Latex Bliss (very high quality talalay latex mattresses), King Koil
http://www.americasattic.com/index.html Johnson City. Englander.
NOTE: there is a larger list for the Bridgewater, Binghamton, Ithaca, Syracuse areas in post #2 here.
Hope this helps
Phoenix