Good question...
Pigheel,
I've been looking at this myself. I think what it comes down to is the availability of provider care in your area, and if you have a Tricare provider you want to continue using. Portability and the relative health of your family (as well as composition) also plays a part.
My family is staying in place following retirement and we have Tricare Prime providers that we are happy with. I've got the proverbial nuke-lay-er family - wife, son, daughter, dog, cat, mortgage & car payment. All in pretty good health, though the missus can't seem to put down those smokey treats (i.e. cigs).
Tricare prime coverage costs $38.33 per month (though you have to pay it quarterly or annually), plus a variety of co-payments which vary from $12 to $40, depending on the service. There isn't any annual deductible. Drugs are at a reduced rate from civilian pharmacies, military facilities don't charge co-payments for service or drugs. There are some decent Tricare supplement plans available that aren't too expensive, and will pay your normal copayments. One plan I'm looking at will cost $43.67 a month and pretty much covers all co-payments, and charges resulting from out of network treatment.
The downside to Tricare prime is that is isn't very portable. I'm going with a regional airline in part so that my family can get the travel benefits. It is difficult to get treatment out of your Tricare region if you are Tricare prime. That's why a supplemental plan may make sense, though you have to balance the probability of the family needing urgent but non-emergency care out of area against the cost.
The Comair plan costs $58.20 a month for me and my family. I don't know what the cost share, deductibles, and copayments are like. There is also a question concerning portability and providers in our area.
It may prove to be more cost effective and flexible to use the no cost Champus plans (Extra and/or Standard) as a second payer, and go with the Comair plan as the primary. I'm going see if I can get a copy of the benefit book from Comair and sit down with our Tricare counselor here in New Orleans to determine which would be the better way to go.
Of course, the company dental plan at $9 a month makes a lot of sense compared with the military retiree's option (100% out of pocket).
Good luck, congrats on the retirement. I'm at 34 days and counting. It's amazing to think 22 years could go by that fast.
Travis