MORE INFO:
1) The "Original Halley" (Key takeaways from this unit is the affordability for the masses that will give you a basic mattress perfect for that spare guest room or camper. A plush cover and entry level quality.
 

2) The "Palace" Mattress (This unit is 2 steps up from the Halley with a larger profile, smooth top and cover)
 

3) The "Empire" Mattress (This unit is everything you get from the Palace with a heavier more luxurious top, higher gauge spring and a premium inner system for a deeper sleep; Perfect for hot sleepers or those who move around a lot during sleep as it will give you a deeper REM sleep with less restlessness) Compare to Stearns & Foster.
 

4) The "Mansion" Series (the higher end of the line. Very luxurious and heavy, this mattress is sure to give you excellent sleep.  (chiropractic recommended)