Rotor Concepts manufacturers a line of quadcopters that are entry level products designed for easy flying at decent prices. The two products are based on platforms from LotusRC.
HPQ-1 / T380
HPQ-2 / T530
The HPQ-2 is the larger of the Rotor Concept crafts. The HPQ-2 can lift up to 3 pounds which is good enough for small compact camera, many video cameras, and compact cameras. This quadcopter is based on the LotusRC T530.