Polycom HDX vs. Lifesize Room Systems?

[Efortysix]

Any thoughts in comparing these two products? Are they in the same class?

[TCGTraining]

Polycom's Telepresence RPX uses four HDX 9004's so there is no difference in the codecs. Four conferences each with a camera and monitor are projected on four monitors to give a panaromic view of the remote room