There's a product called JMP. It's relatively inexpensive. It's great at visualizing (especially statistical) data. They've got a 30-day trial. Check it out.
disclosure: I have an association JMP's parent company.
This is where the Ache-Heads can discuss trademarks, copyrights, patents, and trade secrets.
"Now this is a totally brain damaged algorithm. Gag me with a smurfette." -- P. Buhr, Computer Science 354