Yes vBSEO have a like system, but really it's only like a Like system. This Like system is much more like a like system than vBSEO's Like system. I like this Like system more than other Like systems. If you like Likes then you should like this Like system better than other Like systems, if you like.
Also, I think that it would be better to position heart next to qoute and other buttons. At first I was looking where the heart is.
I agree. My first time reading this thread, I was looking to see where the heart was, thinking it would be over by the quote button or the top right corner of the postbit
I like the Like system, I am using Dragonbytes pro version and have set up several buttons. removing the neg rep and making the dislike (slay) public has worked exceptionally well for me. it is very popular