I think Stefan in germany already bought the 'updates' to the Elise service manual for all the Toyota related bits, so they are already availabe.
I still need to order the updates for mine.
The service manual and parts list will probably be shared between all models, so once you buy an up-to-date version from Lotus you get all the information on the older cars too.
Lotus brings out updates/supplements about twice a year or so, which you can order as well to keep your documentation 'fresh'.
Bye, Arno.