Hacking Excel, Part 1
Subject:   Gauge & meter in Excel
Date:   2010-05-13 15:03:45
From:   thomas75 gives you FOR FREE 3 types of new charts inside Excel and PowerPoint (from version 2000 to 2010 64bit) :

Speedometer : new types of charts for showing performance, known as gauges and meters
(An example is shown in the following video on Youtube :

thematic maps, also called choropleth maps
(you can even receive 10 000 maps for free if you send them this request using your business email)

the largest collection of sparklines / in-cell graphics
(No other software has such a range of micro-charts)