Yikes on the shipping to AK. I've looked at those Vargo stakes and I'm sure they are a great stake--price was the issue for me, but for you, that was equalized it appears.
Titanium Tent Stakes
The DAC stakes are 7000 series Aluminum which, in general nearly equals the strength of mild steels. The link I posted to--those stakes are .40 oz, not the .5 mentioned.
There are so many different alloys of titanium with so many different strengths/weaknesses that I'm always a bit leery to buy titanium stuff unless I know what the exact alloy is. I'm sure these vargo stakes are made from the right stuff, however. That Vargo stake should be a great lightweight, stackable/low bulk stake.
Used the Vargo titanium stakes for the first time this past weekend. They seem stout enough. Worked fine and didn't show any damage after pounding them into some rocky riverbed gravel. So far so good.