Debian Etch EOL

Debian Etch (the OS that, as of the time of this writing powers most DreamHost servers) recently (Feb. 15, 2010) reached End of Life (EOL) meaning that the Debian Project will no longer provide security updates.

Does DH at least backport security updates?

Can we get an ETA and/or roadmap for when DH will update the shared hosting and PS systems?

If I preform an update to Lenny (the current stable version of Debian) on my PS, will this cause problems when DH attempts to update it in the future?

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