The U60XRGT model was discontinued a month or two ago, with only the U60 and U60GT remaining (which look to have been discontinued within this past week). However, that doesn't necessarily mean that the U60 or U60GT are shorter-running models. We figured out that the non-XR U60s had T**J bin LEDs, while the XRs had more efficient T**H bins (with GT being TWO* or TXO*). It's quite possible now that after the XRGT was discontinued that T**H bin LEDs were still being used, as they're fairly common now. I don't know if this has been confirmed yet though.
Production on all U60 models has seemed to stopped entirely, with sales going on until stocks are depleated. We're (with fingers crossed) hoping this means the rerelease of the U85 or possibly something even better (K2 powered?).
My U60XRGT cost $210 from OpticsHQ, but this was when they were still available. Dealer stock of this particular model has seemed to have depleated quite a while ago (it didn't take long after they were discontinued).