Hi!

To see what MS is up to:

http://blogs.msdn.com/excel/default.aspx

Tips and general info for optimization:

http://www.decisionmodels.com/

Biff

"Dave Breitenbach" wrote in
message ...
Does anyone know if microsoft is addressing the major slowdown seen in
calculation speed when using advanced functions like sumproduct and array
functions?

I'm enjoying the possibilities they create but am getting quickly limited
in
speed.