[cowabunga]

FreeBSD 10 r10 stable with some ACPI frigs and dpms set up (I didn't write them down)

Windows 8.1 Pro with Lenovo power manager installed via windows update.

Dual boot.

[bch]

New battery en route --- I'll be able to tell first-hand what the differences are in a week or so :)

[cowabunga]

Good for you :)

I would check the Lenovo recall page (google it) before paying for one. That's where I got my new one from - they replaced it free of charge ;-)