Amiga 1200 tower saga - troubles abound

[psxphill]

Just one thing, caps will NOT leak, batteries can leak, caps can dry out wich is not visible with a naked eye.

caps can leak, if the pressure builds up inside and the top gives way then stuff comes out.
 
http://www.maximumpc.com/files/u69/Bad_Caps.jpg
 
http://www.thegeekpub.com/49/how-to-spot-a-leaky-capacitor/