> Better stay with the 2.x. Thunderbird 3.x is (much) slower, sometimes
> hang for several seconds (thread issue I think) and sometimes complains
> of "Folder truncation" or the like.
>

I have found the folder truncation error was due to AVG anti-virus
scanning the files while Thunderbird was trying to manipulate them. I
really like the search functionality in Thunderbird 3 and haven't run
into performance issues as of yet.
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