Blog (posts area)

Comments can be turned on of off.
Can include search, listing recent, categories.
Can include social share buttons for each blog post.

Plugins:
Better WordPress re-CAPTCHA (for comments area)
Facebook Open Graph, Google+ and Twitter Card Tags (for Social Share buttons)

$330 – this is for standard layout with category filter and archives etc, ie:
http://www.bassworks.com.au/blog/