1. Updated to TWRP 2.4.2.0 via GooManager app. Originally running 2.4.1.0
2. Downloaded latest nightly from http://get.cm/?device=grouper
3. Downloaded gapps from here.
4. Reboot into recovery.
5. Flashed cm-10.1-20130301-NIGHTLY-grouper.zip
6. Flashed gapps-jb-20121212-signed.zip
7. "Factory Reset", "Clear Cache", "Clear Dalvik"
