If Google every wanted to add a Microsoft Visio like flowcharting application to their Google Office suite, they'll have plenty of good options to choose from.
Draw Anywhere is a new web based tool for creating flow charts, org charts and other drawings online. Like the Picnick image editing, DrawAnywhere is done in Flash and sports an extremely responsive interface.
You can either save your Flowcharts online or export them as images and PDF files. drawanywhere.com