I disagree that it would dilute interest in BitUSD, because it would grow the overall market interest. However I would like to see higher confidence in the peg and liquidity mechanisms first before reproducing them too broadly.
I also think currencies and cross-currency pairs should come first.
Finally, I think that the concept of BitAsset yield will need to be reviewed as we move to other underlyings. I expect that shorts will want to pay much lower interest for leverage on BTSX when borrowing in assets that are more volatile than USD. In fact, its possible at some point that they may want to be paid for the service of issuing and guaranteeing 30 day buyback of BitAssets, if they are not particularly inclined the borrow for BTSX in that underlying. Not sure, but its an idea I'm thinking about, maybe somebody has a good counterargument.