Xamp released a patched version of Xplorer360(info) to work with 250GB harddrives on our forums.
From the readme:
</img>
</img>
</img>
</img>
</img>
From the readme:
Download: here
The Good:
* Drag and drop content to and from (inject/extract) confirmed working on both Partitions 2 and 3.
The Bad:
* Do not use any sort of backup or restore image features with this patched version.
* Do not use this version with 20, 60, or 120 gig drives.
The Details:
* Changed the cluster chain length value to 00 08 39 at offset 0xF0C2.