I posted this deep in another thread, but thought I'd give its own thread so more people could see it.
Its an excel addin from Microsoft that retreives live quotes (ok, 20 min delay) from MSN Moneycentral and pulls them into your spreadsheet. There's even a button its adds to the task bar to update them (they do not update automatically with each calc of the spreadsheet)
An example is as follows:
would bring in the last trade for Microsoft.
brings in the EURUSD exchange rate.
The addin can be downloaded here: