Balance out the 'try it' and 'see it' blocks

see gh-1636.

Just noodling a bit, threw in some more copy to try and flesh it
out a little and let the reader know what they are in for.
Cut down verbosity on 'see it' marketing paragraph

The 'rinse and repeat' was a bit much.
Switch back to the centered simpler 'try it' block
Merge pull request #1639 from bemurphy/bem-1636_see_it_cleanup

Balance out the 'try it' and 'see it' blocks