I have been a regular user of Powermarks since 2001 and it's the X1 equivalent for Internet Explorer Favourites Bookmarks with a very responsive on the fly search like in X1. It has a very small unintrusive footprint and allows you to add SEARCHEABLE comments for each favourite it tracks and it's very stable.
Of course it would be nice to have X1 incorporate the features like in Powermarks. But Powermarks in itself is worth a purchase on it's own as it is nicely integrated into Internet Explorer and can help those who surf frequently.
In fact, X1 should like Powermarks allow us to add comments to it's file index so that we can add (searcheable) remarks, comments to files that are indexed without modifying the original files.
As a user of both X1 and Powermarks, I can safely say they can really complement each other. There are many times when I would just use Powermarks on its own without even thinking of X1 and likewise use X1 without thinking of Powermarks.
Incorporating Powermarks features into X1 may make X1 more unwieldy.
X1 is probably better off concentrating on being inclusive to index Outlook Tasks, Calendar, Notes, Onenote, Treepad files etc.
There are many one key trick ponies utilities out there that are really good and focused on what it's meant to be doing. Powermarks is one of them and it does its defined role exceedingly well.
http://www.kaylon.com/power.html
Although the current version has not been updated for a while, it is still very competent and I would not leave home (for the internet) without it !
