Thanks to the testing efforts of Brett Dikeman we now have a verified D7000 version of the of the Time Restriction Removal patch.
The FirmwarePatch tool has been updated to v1.2 and supports patching Nikon D3100 & D5100 & D7000 firmware.
[Update 24th April] A web-browser cross platform patch tool is also available.
Interested in more, come join the us at Nikon Hacker, or use the Online Patch Tool (Help)