Cheap fast trustable laptop computer

It's that time of the month, folks.  I feel like buying a replacement laptop, yet x86-grade power consumption and non-free BIOSes are quite a turn-down.  Are there any cheap (under 600$), fast (comparable to, say, an Intel T3400), trustable (no binary blobs) laptop (screen size between 12 and 17 inches) computers out there?  Availability of 6-cell battery also a requirement.

Probably not.

>>64
I don't know and I'm not very optimistic. You'll end up paying too much and you will probably be disappointed by the performances.
But as I understood you're willing to make some sacrifices...