I have the three (diamond) hone set from Harbor Freight. I didn't buy them specifically for the skew but I use them for that. I have the Benjamen's Best 1/2-inch oval skew. I put the skew on the grinding wheel one time, thinking it would be good to hollow grind it once. It took me several minutes over the next few hours to get it back where it would cut right (at least for me) by using the hones. By that time, any sign of hollow-grinding was gone. Now I take a few swipes on the coarse, a couple swipes on the medium and a few swipes on the fine. Occasionally I'll touch up just on the fine.
This is what works for me. What works for you may be different. I will say, though, that the bevel of the skew is definately smoother and the point is sharper after the honing than after the grinding.
I think that I agree with grinding only on the gouges, but on this little pen skew, honing seems to bring out the best of it. One reason may be the the B's Best is a little softer than some of the other lathe tools I have.