Comment: It has been done.

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In reply to comment: Ha ha ha - well, live and learn (see in situ)

It has been done.

Point them to one of these:
http://www.freebitcoinguide.com/
http://bitcoinbasic.com/
http://bitcoinmagazine.com/category/bitcoin-newbies/
http://bitcoinquickstart.com/
http://howtobitcoin.info/
http://bitcoin.stackexchange.com/
https://bitcointalk.org/index.php?topic=7269.0
https://bitcointalk.org/index.php?topic=15918.0

Any of these links contain lots of helpful info.

p.s.: the synchronization is likely going to last quite a while longer.. perhaps a few days. If you need to spend them urgently then consider exporting the keys and importing them into a different client.