I like blocking... makes melee combat feel a bit more tactical, rather than just slash, slash, slash.
Bashing while an opponent is attacking can interrupt their attack, stagger them, and give you an opening for a full-force attack of your own... and bashing does provide skill.

Perhaps it's a better complement to light armor vs. heavy as another form of damage mitigation, but I personally like the skill. Currently my character is around ~58 in both Light Armor and Block. Haven't really had to try to keep one in pace with the other.
how far do you guys focus into the one handed tree while playing a shield character? Do you shield bash more over one handed power attacks?
Even split I'd say? I like to bash, then follow with a power attack. That takes a good investment into stamina, or lots of vegetable soup, but stamina is a fine investment for a physical damage based character in any case. My 1H skill is currently more 70-ish, but I can account for that by hacking apart beasts such as bears and trolls while circle-strafing around them. No need to block if their teeth and claws are facing the wrong way throughout the fight.
