Actually, according to the advisory, it seems you are only vulnerable if you actually load an ISAPI .dll module.

"it is possible to trigger a vulnerability in Apache mod_isapi that will unload the target ISAPI module from memory. However function pointers still remain in memory"

Even so, it's probably a good idea to comment out mod_isapi if you're not actively using it.

There's nothing two-factor about this solution.
Someone just has to steal (or take) the plastic thingie from you and now they can get in but you can't.

If you first had to login normally (using a memorized password) and second hold the plastic up to see the one time pad then you could say it was two-factor.

A two-factor key cannot be allowed to have just a single point of failure.

Then there is the recovery problem afterward. At least after a stolen housekey you can just bust in and then fix your door.
What do you do when the plastic thingie goes missing?

Do you need a back door? And how secure would that be?

Or can you get another plastic thingie exactly the same? Only to use it once to get in so you can then register another (uncompromised) one.
Not to mention that if you can get a replacement plastic thingie exactly the same, then maybe somebody else can too.

Rocketship Galileo-Heinlein
Space Cadet-Heinlein
Have Spacesuit Will Travel-Heinlein
Storm Over Warlock-Andre Norton
Star Rangers-Andre Norton
Slan-A.E. Van Vogt
The City and the Stars-Isaac Asimov
I Robot-Isaac Asimov
Lucky Starr series-Isaac Asimov
Childhood's End-Arthur C. Clarke
Expedition to Earth-Arthur C. Clarke
Brightsuit McBear-L. Neil Smith
Raiders From The Rings-Alan E. Nourse
Rocket to Limbo-Alan E. Nourse
Star Surgeon-Alan E. Nourse
The Counterfeit Man-Alan E. Nourse
Hospital Station-James White
Star Surgeon-James White
Hestia-C.J. Cherryh
Dragonflight-Anne McCaffrey
Dragon's Egg-Robert L Forward
Mission of Gravity-Hal Clement
Spacepaw-Gordon R. Dickson
Blackcollar-Timothy Zahn
Enemy Mine-Barry B. Longyear
And of course pretty much anything by E.E. Doc Smith, but specially the Lensman series.

I also consider Starship Troopers somewhere in there, but you have to consider that young boys won't really get the political side of it until they get older and re-read it.