@DigiD, by the way there is an object repair tutorial here which goes into some more detail about what is involved in a more complicated situation when the hole is not so self contained and runs into other nearby stuff:
http://moi3d.com/forum/index.php?webtag=MOI&msg=446.17

- Michael

thanks for the link Michael , I will probably be using those tricks sooner than later

Laughed when I read ( the "whole" hole ) for some reason it reminded me of the Bugs Bunny or Wile E cartoon episode that used "ACME portable holes" a very useful product. I need to order ACME portable patches :)