Wow. Sorry for all the yelling O__O
Oh well, opinions are like bellybuttons...anyway, I have listened to all your advice.
-The dirt bike idea is not terribly bad. This area has a TON of dirt bikes, and if I got a supermoto I could swap out dirt tires and ride on some of the many trails out here.. Also, a 400cc bike is no slouch. But do the skills translate?
-While I am nervous about the XB's torque and power, and it's twitchiness, I do agree that it's a much better choice than a literbike. I've heard the SV and Ninja 650 suggested before, and I've been told the SV is also sort of "twitchy".
-I've heard the 600cc sportbike suggestion before, and I've seen power/torque curves. I agree, it should be controllable and benign until OH GOD I JUST HIT 10K RPM WHY IS THE FRONT WHEEL IN THE AIR. Mostly kidding. A guy at work, newbie like me, just got a CBR600RR, I'll ask him how it goes.
-The idea I most like are older sub-600 bikes like the GS500/Ninja 500. I think both are out of production now, but they've got more kick than a 250 but aren't in the 600 range. Unfortunately, they're jack of all trades, masters of none, and I hate the plasticky look...
--Or the Blast. Who knows. The Blast doesn't seem particularly sporty though. Even though I think I want a naked streetfighter like an XB12Ss, the Blast just seems like a mini-Sportster.
-And relax. No matter which way I enter this, I'll be here in a few years -- or months? -- bragging about my newly acquired Buell. Rock on.
EDIT: And FYI, I intend to buy gear, and lots of it. At the freeway speeds I'll be going, any hiccup that earns me a hot date with the pavement could get very ugly very fast.