I rode in business class and coach on Amtrak trains. The upgrade is only worth paying for on certain trips.

I booked Amtrak's business class on the way to Boston and coach on the way back to NJ. The seats were similar, but the experiences didn't compare.
Yahoo

I traveled long-distance on Amtrak for the first time. These 10 things surprised me.

I traveled from Miami to Tampa and back aboard the Amtrak.Michael715/Shutterstock Traveling from Miami to Tampa aboard Amtrak, I learned train travel is unique ...
New Hampshire Public Radio

Now boarding! Amtrak launches higher speed trains between Boston and D.C.

East Coast travel may get a little quicker. Amtrak debuted a faster new train Thursday called “NextGen Acela” that will be able to hit a top speed of 160 mph. Amtrak’s original high-speed Acela trains ...