The battery on my wife's Macbook broke down some 8 months ago. It just started to swallow bigger, maybe 2mm from the side so far the trackpad did not work anymore. At times also the machine just booted up itself, i thought it was dead otherwise before i notised the whole machine wasn't level on the desk! I didn't fight with Apple about it, didn't want to ruin my day on phone so i just bought myself an 27" iMac (signature) and gave the Macbook to my wife, who's using it without battery (no need to move it). It's running really nice 10.7 Lion and Windows 7 x86 on bootcamp. Memory was upgraded to 4Gb long time ago. Another problem seems to be the topcase. There is a crack on the corner, but i think the replacements are no longer valid for it?