Ending sooner, through January 7, 2008 existing TiVo subscribers can purchase a new TiVo HD with product lifetime for $698.99, direct from TiVo.

Also, through February 2, 2008, existing TiVo subscribers can purchase product lifetime for $399 when activating any new TiVo. (Something to keep in mind if you just received a new TiVo and haven’t activated it yet.) Also, the current special holiday promotional service pricing is only good through February 2, 2008.

While you need to be a current TiVo subscriber to take advantage of the product lifetime deals, if you’re a (pending) new subscriber you could probably find a friend who is a subscriber to make the purchase for you.

Amazon is selling the TiVo HD for $270.64, the TiVo Series3 for $392.91 (after $200 rebate), and the 80-hour Series2DT for $65.99 (after $150 rebate).

The TiVo HD plus lifetime is $669.64, even less than TiVo’s $698.99 direct offer. But don’t wait too long – you need to have the TiVo activated by the deadline, so don’t forget to allow for shipping time.

And if you’re buying a new TiVo, or you just received one, and you need to use it on your WiFi network, remember to pick up the TiVo 802.11g USB WiFi adapter for $39.58.

And here’s something odd – a couple of $100 TiVo Gift cards being sold for less than $100 after shipping. *shrug*

Remember, that’s not the only Product Lifetime offer currently available. Existing subscribers can also give the gift of a TiVo HD with Product Lifetime through January 7, 2008, or they can purchase Product Lifetime for $399 for any new TiVo activation on an existing account. (Lifetime shows up as one of the options if you activate a unit while logged into an existing account.)

And if you’re not a current TiVo subscriber, but you’d like to be one and to have a unit with lifetime, you can always make arrangements with a TiVo owner to buy a unit for you.