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Originally Posted by SpiralOcean View Post
there was a mention in that Wiki article about Sparse Bundle's being banded in 8mb chunks and those can be synced.
Yeah, that banding technique is really handy, especially if you're dealing with disk images (sparse bundles) that are hundreds of megabytes, or even gigabytes. Without the banding, you'd have to transfer the entire disk image even if you only changed a single byte. Now, you only have to transfer 8 MB, which is still not perfect, but it's a heck of a lot better than transferring the whole thing!

To do data syncing with the disk image, it'd have to be mounted on the iDisk. But Apple doesn't allow MobileMe subscribers to run any executables on the server, so there's no way for your disk image to get automatically mounted there.

But you could probably store the disk image on your iDisk, mount it locally on your Mac, and then sync OmniFocus data to it as if it were a local disk. However, you'd still have no way to get the data synced to your iPhone, since we can't mount the disk image on the iDisk server and the iPhone itself has no support for mounting disk images. So we're right back to where we started. :(

-Dennis