[Yarnage]

This seems like an issue only power users will have for the most part. Firefox even has an option to disable this for power users.

However, with that being said, I'm not a big fan. I think agumonkey's throttled loading is a nice idea though.

[illumen]

There's definitely different groups of users here. Without being able to spy on firefox users, I'd guess the 5-8 tabs people are a decently sized group. The one tab people, and the 50-400 tab people are probably other sizable groups.

The new change helps out the 50-400 tab people a lot. Each group could all do with a good UX though.