After finding a bug with php 5.2 and above that effects PageCache, I've been pushed into developing version 2.0 sooner than I had planned.  But trust me, that's not a bad thing...  I've started programming the core, and it's got some interesting new features...  I'll tell you what's pretty firm now, but some things may change before Beta.  Right now here's what's being included:

1. Native compatibility with both Joomla 1.0 and 1.5 (1.5 doesn't even need a single file to be modified!!!!)
2. Extendable storage API (you can write your own storage class, so you can expand to whatever you need)
3. Includes storage backends for APC, Database, File, Memcache and Xcache storage mechanisms
4. More extendable "Reset Actions" plug-in interface (An actual API)
5. Better support for multi-lingual backend
6. Much more secure configuration system
7. Optional CRON based refresh

        If there is anything else you would like to see included/changed, please comment back soon, here's your chance to get your feature in there...