Walmart has a few queen beds on rollback. Most seem to require a box spring except for the Zinus which is a platform bed. There may be more discounted. These are just ones I found with the greatest rollback amounts.
Zinus Mia Modern Studio 14" Metal Platform Bed, Queen, $84.99 (currently $131.25 @ Amazon)
Update: Amazon [amazon.com]
has now price matched the Zinus Mia modern for $83.04 after the $1.95 savings applied at checkout.
Zinus Mia Modern Studio 14" Metal Platform Bed with Headboard
, Queen, $112 (currently $131.25 at Amazon [amazon.com]
Home Meridian Cream Upholstered Queen Bed with Nail Head Trim $103.99
Crown Mark Erin Faux Leather Bed, Black, Queen, $99.99
Acme Lien Panel Faux Leather Queen Bed, Black or White, $104.99