As promised, you can now find the Upgrade Disc 1.2 BETA in the Downloads section. Here is a list of changes:

Added D2E support (Wasabi rev.2 only)
Fixed slow reset-to-spinning time problem that existed on some rare installs
Various drivecode improvements for all drive versions (DMS, D2B, D2C, D2C2)
Be sure to read the README.TXT file before upgrading

Wasabi Wii Modchip - Compatible with DMS, D2A, D2B, D2C, D2C2, D2E - Upgradable from DVD - Simply the best