Sears offers the Northwest Territory Anti-Gravity Suspension Lounger in Tan, model no. 80010900990, for $39.99 with free shipping. That's $30 off and the best price we could find, although we saw it for $7 less a year ago. It features a dual finger-tip control system and threaded bungee system.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.