From DX (yes, I read your preference, but it's what I know):
http://www.dealextreme.com/details.dx/sku.13060
On medium, you'll get at least 3 hours at ~250 lumens
before the light starts to dim. The light's dimensions are below:
Dimensions: 5.91 in x 1.57 in x 1.57 in. Weight: 5.29 oz
I'm thinking of one of those guys (or more). It looks like flood-only though - is there a similar flashlight of equally high esteem that's more of a throw light?