Amazon has the 400 lb model (HTC2000) for $48 and
the 300 lb model (HTC1000) for $38. Free shipping.
I just ordered one of the larger ones.
I have a couple of the 2000's for 5+ years and they have
been problem free. The earlier models had rubbery/plastic
arms for raising/lowering, but the new ones have beefier
No web site, but they are nice people to actually talk to:
HTC Phone #: