Thank you all for your responses. I wanted to post a follow up and let you all know that things are progressing well.
It's definitely still early, but you can check out the inprogress work at:
DnD 4e Power Cards Index
If any developers are interested, all of the code is open source and contributions would be appreciated!
wireframe's power-card-viewer at master — GitHub
I spoke with a friend here at the gaming table, both of us would pay a nominal fee for this application without a problem. Very nice beginning, as well.