Only solution I've found
Unfortunately as far as I know no one has been able to increase the size of the data app partition. Why it is so small makes no sense (150 mb i believe). It would be nice if that memory usage was listed somewhere with the stock android system. I don't know if an app can display the info so we could at least monitor the usage.
I've tried every suggestion of every forum and here's what I concluded.
1. Mine got so bad I had to do the 'hard reset'. I was able to restore about 90% of what I had. (Because I forgot what the other 10% was!)
2. I had tried 1TapCleaner, cleaning the cache and data - but learned that deleting the data removed DATA. So I quit that. It gives you an idea of the app size but doesn't tell you where it resides. (in /data/data for example).
3. I 'rooted' my Dinc. The 'easy method' didn't work, so I did the more extended procedure.
4. I got Root Explorer - Now I can see how /data/data is doing. I read problems starts when its free space gets down to 15mb. I started with 62 free and am down to 41mb now. I can see how much of this precious space is used by the apps now. Google Earth takes 14.7mb for example.
5. Whoops, I forgot to mention - be sure to run Advanced SD Card Manager to move as many of the apps to the SD card. It doesn't move all apps or even the entire apps there, by the way. Hence the big headache we are stuck with on our not-so-incredible Droid.
Nothing original here, but hopefully a summary of what will work for others.
comments/suggestions will be greatly appreciated!
bo