This seemingly unimportant article contains a quote that I think may signal a return to the pre 2005 wars.
and we also need to prepare in a while for 2013 when there will be no rules
Now I am sure that by 2013 something will come in to ruin it, but the thought of returning to the big V10's with 1000bhp, is something I would welcome. Nothing wrong with the v8's, but the noise and the power of the V10's was something else.