I've been thinking a long time about it. Now I'll do it.
...
1.) If you need 9.2e, then simply use CTR-BGMP. Herewith you can also update your emunand. I have tested this myself (GW3.4).
for 9.2u can use CTR-AXCE.
2.) For all other I have a nearly complete // CIA & RAW // serverimage (2GB)...