1 altboot_1.0.8.bb - Last known-working version for all Zauruses
2 altboot_1.1.1+wip-20061123.bb - Last known-working version for neo1973
3 altboot_svn.bb - Altboot developer snapshot - avoid ;)
4 altboot_1.0.8+1.0.9_pre1 - Development version with new menu