I take that back!!! This truely is a glorious day!
Use the sigfig formula above with a custom format (e.g. ???.???) with enough digits to accomodate the numbers in your list.
Wooohooo!!!!!!!
This is a good solution to significant figures. Thanks for posting it. Now if I could just get excel to align on the decimal and strip off trailing zeros that are not significant. Any suggestions???