I kind of feel the same way. I know my hair isn't porous, it feels smooth doing the "test." But, it's so fine, it's hard to "feel" anything. I don't have trouble doing color process or getting it "wet" in the shower, or the other "indicators" of low porosity hair.
3a (Corkicelli), highlighted, fine, low porosity
modified CG, since April '07
CG since 3/11/08
HGs: Anything Sevi; Curly Kinks Satin Roots, Curlycue ReNew and Coil Jam; homemade FSG and okra gel; soap bars; UFD Curly Magic; Botanical Spirits Jellies, CJ Repair Me