I have the Bontrager Hardcase. I have the 28c ones because my lbs told me that the 25s and 23s were hard to get a flat on, but also extremely hard to get on and off. He said the 28s were easier, but they are also bear to get on and off! I've done it 3 times (pinch flat on initial install) and can do it, but I hope I don't have to do it often. They also ride a little rough. If you google hardcase reviews, you will get other opinions on this and it seems that it's the big con to these tires. You may want to tell your lbs that you are freaked about changing the tire and see what they say. If you don't have a lot of experience changing tires you need to practice. Especially if you go with the Bontragers.
I also worry about chip and seal. It can get really rough. Let us know what you end up with. I'm also always looking for that perfect "do all" light tire.
Claudia
2009 Trek 7.6fx
2013 Jamis Satellite
2014 Terry Burlington