Yeah, I just did a rough calculation (wasn't sure on the Co-insurance on your Traditional plan, so I assume 20% as a worse case scenario or at least to match the HDHPs) and even with the generous assumptions for the HDHP that (1) the $3500 would be out of pocket and not eligible for the Co-pay, (2) you don't have FSA at your work to pay for out-of-pocket expenses or Co-Pays and (3) you get the maximum tax benefit from socking away $6750 next year (assuming a total marginal federal and state rate of 20%), you still come out about $180 ahead with the traditional plan. Milk that traditional plan for all it is worth!