If you read him often (I've got that blog an RSS feed), you'll see that there are references to more than a few online 'feeding grounds'. BF is one of them.

Older posts have also indicated: CyclingNews (forums+main site), BikeRadar, and once-in-a-rarity WeightWeenies references.

Typically references are to what he observes on the PistaDex (via Craigslist/NYC) and the FixedGearGallery, plus occasional stuff that readers tip him through e-mail links.