how big do uros get? Depends on the breed, but range from 10" to 24"
are they one of the more easy lizards to take care of? They are i would say intermediate.
are they tame? Depends on the breed a little, not as tame as beardies i think but in general yes.
how do they eat? They have small teeth for eating
and is there a good site on them? Yes. deerfernfarms.com
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Lauren 
1.1 Saharan Uromastyx (Rico-orange, ?????-yellow, and a new one soon!)
Cozmo-Hannovarian/Trakehner Gelding
Chip-Dutch Warmblood Gelding
Ck-Hannovarian Gelding
Cruiser-Irish Sporthorse Gelding
Opal-Persian Cat
Dude-Jack Russel Terrier
From: New Jersey