1.) Replicate your Update Site
If you have multiple server you could replicate your eclipse update site to every server. But in that case it is a good idea to change the link on every configuration document and point it to the local server.
2.) Legacy Spell Checker Dictionaries:
For the Legacy Spell Checker functionality, additional languages are also available, and can be downloaded from Passport Advantage using one (or more) of the following part numbers depending on the Operating System used:
|IBM Lotus Notes Dictionaries 8.5.1 Win ML|
|IBM Lotus Notes Dictionaries 8.5.1 Linux ML||Linux||CZA48ML|
|IBM Lotus Notes Dictionaries 8.5.1 Mac ML||Macintosh OS X||CZA49ML|