So I was on the verge of selling my lovely Powerbook as I have some old DJ kit that I couldn't get a serial number for, so I kept it. Sadly, the battery would only hold charge for about 20 minutes. I was just randomly looking at Gumtree and bizarrely, 45 MINUTES before I started looking, a lady in Scotland posted that she was selling a battery for the exact model I have, brand new boxed!
So I immediately contacted her and struck up a deal. £22 paid including delivery! A lovely lady who doesn't trust the internet, so I had to post her a postal order bless her!
I haven't popped it in yet, but that's my latest purchase.
I am always keeping an eye out for FW800 drives though...