I have been using LTO for a few years, and I'm quite happy with it. The LTO format has very broad support outside our industry, which is a big plus for me.
As with all backups and archives, I think it's important to keep multiple copies of everything.
I've been using BRU from the Tolis Group, but Cache-A is another popular option.
Principal & Designer at Keen Live
Motion Graphics, Widescreen Events, Presentation Design, and Consulting RenderBreak Blog - What I'm thinking when my workstation's thinking
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