I disagree. 370 is the minimum, the House-senate conference can and likely will up it substantially. It's a start and wouldn't exist at all if the base was a bunch of passive patsies, like some freepers advocate.
Cheney said yesterday on Rush that we didn't need a fence along the whole border, and that "experts" had told him that it made sense in many places and made no sense in others. I can see that, coming from AZ. There's parts of AZ where you pretty much cannot cross (i.e., the Yuma desert). It would be VERY easy to spot someone there using a variety of techniques (I don't recommend thermal, however :)