Thanks so much for the awesome info! I hadn't actually considered it before you pointed it out, but I very much agree that the seatpost of the Sprint poses a big issue, especially for replacement options. With some poking around, the Amira SL4 seems to be the best of Specialized bikes for my needs. I will have to track down a bike shop and give your recommended bikes a test ride. They all look like great alternatives if the Amira doesn't work out. Plus more options are always better!

Thanks again for being a fountain of wisdom! As a newbie to the road bike scene, its an immense help.