Dear Peter,
Try the following:
On 25 September 2011 10:04, Peter Tenenbaum <peter.g.tenenbaum@gmail.com> wrote:
> I would like to migrate to firefox 6.0, but I'd like to do it using the
> debian iceweasel distribution. Can anyone tell me how to go about setting
> that up?
http://mozilla.debian.net/
I used it and found it very helpful.