Found this one on summit racing.
Ive narrowed it down to two. Wich one do you guys think is better? and is the 2nd one liquid filled? and does that make it more accurate??
http://store.summitracing.com/...-8730
Brand: Rebco
Product Line: Reb-Co Deluxe Glow-In-The-Dark Tire Pressure Gauges
Gauge Range: 0-15 psi
Gauge Face Color: White
Gauge Diameter: 2 1/2 in.
Hose Length (in): 15 in.
Lighted: No
Stop Valve: Yes
Storage Case Included: No
Quantity: Sold individually.
Notes: Glow-in-the-dark face.

Better tire pressure readings in any light.

Tire Gauge, 2 1/2 in. Diameter, Glow in The Dark, 0-15 PSI, 15 in. Hose, Stop Valve, Each

These deluxe tire pressure gauges from Reb-Co are built with a beryllium-copper gauge movement to ensure extreme accuracy and durability. They feature a glow-in-the-dark face for easy nighttime reading, a bleeder valve to allow pressure release, and a protective rubber boot to protect them from damage. These gauges are accurate to within 1/2 lb.
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The Ultimate Tire Gauge (THIS IS THE 2ND ONE DOWN ON http://www.racerpartswholesale.com/tirega.htm
For The Serious Racer

High accuracy gauge with large psi scale, 2 1/2" face for quick error - free readings and special shock resistant rubber gauge protector. Extra long 14" swivel hose with bright yellow hand holds and a super quick bleed valve. Tested against a certified gauge and guaranteed to not have more than 1 1/2% variance across the entire scale.

Compare This With Other Gauges !!

Available in 0 - 15 psi, 0 - 30 psi, 0 - 60 psi and 0 - 100 psi

Now Only - $29.99