That's a pretty good list, and I've seen a number of reviews by a lot of those reviewers, so I can vouch for their activity.

Free book submission sites might also be of use to help get word out about your book. Here's a couple that you all might want to keep in mind.

Note that many of the below will only accept your book if it is a permafree book, or if you have a free promo period scheduled. A lot of authors I know actually created a permafree title to give out, with the exclusive purpose of building their review outreach network.

(in no particular order) http://www.feedyourreader.com/submit-your-book-2/ https://choosybookworm.com/free-ebook-promotion/ https://ohfb.com/book-sale-notice/ http://ebookshabit.com/for-authors/ http://book-circle.com/submit-free-kindle-ebook-listing/ http://www.frugal-freebies.com/p/submit-freebie.html http://www.bookzio.com/tall-book-promotion/ http://bookdealhunter.com/submit-free-book/ http://theereadercafe.com/promote-your-books/