You can ignore Charly, he's french...
Asking a question like that is like asking whether a BMW X5 is better than a Ferrari 355.
The BMW is more comfortable and can go off-road and the Ferrari is faster on the track, so which is better?
LV is probably much more comfortable to use than any C compiler, is much easier to learn than C and would definitely be faster to develop in for certain apps, but it doesn't have the diversity of C and if you already know some text based languages you will have to make some adjustments in your thinking.
Like CC said, you will probably get good opinions about LV from *most* people here, so I guess the real question is what exactly do you plan to do with your knowledge.
And yes, the LV community is fun...
___________________
Try to take over the world!