I just ordered one of these 

Toytastic!These high quality instruments offer winning performance at a competitive price. SPA Technique Dual Gauges come with sensors, wiring harness and a comprehensive owners manual. They are microprocessor controlled for high accuracy and ease of use and are manufactured using the latest surface-mount technology for reliability and light weight.
The SPA dual gauge has been redesigned for 2002 with greater looks, accuracy and robustness. The enhanced range of series 2 dual gauges all feature:
Selectable backlight color (red or green)
Adjustable backlight brightness
Black or white dials
High resolution modes for 0.1 PSI, etc.
Programmable button function, recall and menu, etc.
Splash proof sensor connectors
Extended temperature operation (for extreme climates) -20 to +70 (degrees celsius)
Stainless steel pressure sensors (measure vacuum too)
Programmable warning light, low battery, averaging and more
Programmable outputs for driving external LED's or relays
Thermocouple options and kits available
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SPA Tachometer and Speedometer
SPA Technique Tachometers are made in 3 different types:
Tach Only
Combined Tach / Speedo
Combined Tach / Temp
All three types include:
Stepper motor drive for high accuracy and definition
Built-in 3-Stage programmable shift lights
External shift light capability
Peak recall
Low voltage warning
Fits any ignition system
1-16 Cylinder, 2 or 4 Stroke
Switchable backlight with user set intensity
Choice of Black or classic White face
Choice of RPM range
Wiring harness and user manual
Fits standard tach aperture
SPA Technique Tach/Speedo combined units use the power of their built-in microprocessor chip to drive a multi-function digital display panel that shows:
Speed
Odometer (total miles traveled)
User configurable trip odometer
Acceleration times (0-60 & SS 1/4 Mile)