I'd pay for it! columns could be just like the paper one, total time, multi single engine, PIC, SIC, night, xc, dual, complex, high perf etc... and a place to put aircraft tail numbers and dates flown and places flown to and from.
There could even be just blank categories we could fill in! Maybe even syncable to pc for a back up, OOOh the possibilities.
Is there a way to update an excel file actually on the Eris and use that as a log??