After removing the caps and cleaning the board, shine a bright light through the board and look at the traces with a magnifying glass. You're likely to find that some of the traces have been eaten through. It's difficult to tell without shining a light through the board. If the electrolyte has flowed under the ICs, you should remove them also so you can clean the electrolyte and examine the traces.
If the board's not repairable, try emailing the ebay seller dealsbyjason.