Is my header too big?

Not my head (for which 7 5/8 hatwear is a tad snug), but my header; the big ol’ name thingy at the top of this and every other page on my site. Is it too big?

Part of me says, “Yes, it’s absolutely huge – ridiculously so.”

But it’s right there that my inner designer finds itself in conflict with my gut reaction.

Which is to say, I like it. Big, bold, beautiful.

At least I think I do.

What do you say?

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UPDATE: I shrank it down (from 554 pixels to 425; roughly 25 percent) to see how it looked … and I like it better smaller. So, the question is really moot. Never mind. I’m sorry I bothered you.