For those who want the dimensionsandweight in numbers, it's about 152mm x 78mm x 10mm at 8 ounces (including the battery, which lasts for almost a day for normal usage on 3G).
Owners tinker with the pitching mound (the higher the mound, the bigger the advantage to the pitcher), the weight of the ball and the ballpark dimensions.
Ultimately, the Intuition is Verizon's variant of the Optimus Vu, and boasts that commonality right down to the components and design -- you won't find much difference in specs, weight or dimensions between the two.