Of course anything that makes you happy is well worth it. This would not interest me though. Most carbon racing bikes are probably overkill for all but the best, actual money making, racers. For touring they aren't the right thing, but then people tour on unicycles, and penny-farthings.

I like to look at what the teams ride on the Paris Roubaix. If a guy can actually make a living on a steel frame with carbon wheels, and fat tires or a cross bike, in a road race. And the guy weighs 130, who am I to buy some carbon wank. Carbon is good, by the way.

You can get the weight of steel frame time trial bikes to the 10 poundish area. So what is one really gaining from going carbon. If I wanted an expensive toy, I would go for a custom. Many people just spend near custom levels of dough, on some marketed junk, and buy bike after bike that never gets out of the LX component range. Good stuff, but a decade goes by and you have spent 10-20 K and all you have to show for it is mediocre rides. For 2K you can start to think about the best lugged frames out there, or all Rohloff drive train (not the wheels you want, I realize). Peter white, wheels with Phil hubs, Paul brakes, Etc...

Another thing I find, and I love to dream about bikes and gear, is that none of this stuff means anything when I hit the road. I no longer care about anything except the trip, reliability, can I climb, and can I brake.