Will active ETFs storm the fund market?

It seems like we've been talking about the rise of actively managed exchange traded funds for a long time. But only now are they becoming a reality. The SEC has approved Invesco's Powershares Capital Management's actively traded ETF with some restrictions, paving the way for them to actually be sold. The issue is whether anyone one will want to buy them. Financial News Online notes that the whole idea runs counter to what made ETFs so attractive in the first place, the low cost, transparent, index-based approach. It may take some super returns, which will likely be costly, to put one of these indexes on the map.  

For more:
- here's the Financial News Online article