WTB or checking prices on a 2nd battery for a T60P

[SaberX]

My buddy wants a ultrabay slim 2nd battery.
He has a T60P Widescreen 15.5".

Newer the better.
I just want to see if anyone has a line on one for a good price.
I looked on e-bay.ca and came up with very little.One there for $189.99BIN.

Whats the going price for thease anyway?

I picked one up for my Dell (new never used) for under 20.00 shipped.