Check Sam's club - they stock many of Questor's sets, which are packages of documentaries, travelogues, Readers' Digest videos, etc. It will be interesting to see how good their HD transfers are.
But I watch Rudy Maxa's travel shows on my HD cable (HDNet I think). I'll actually be picking this up. Now if I could get Rick Steve's stuff in BD, I'd be golden!
I also have to say, that while it´s nice that so many companies start to support HD, I only "count" the ones that release proper films. This "nature"-stuff is probably good and all that, but I personally want films.
Many "smaller" companies has still chosen Blu-ray, which is at least interesting. Some will look at the other companies before making the decision, so if many will choose Blu...
"You have to respond to the marketplace," Mitch Perliss, Razor Digital EVP told Home Media Magazine. "We wanted to go worldwide (with the product), and we couldn't afford to do both (Blu-ray and HD DVD)."