It is a pretty good way to generate pretty much unique content that reads perfectly.
These are not 'proper' articles ie. with a beginning middle and end. They are 'tips' with an opening paragraph and a close. If you can use that kind of material then you will be very happy.
Most of the content is highly spun to a very good standard - likely you'd not notice that it had been spun.
In addition you can post directly to WP blogs that you host yourself so you can set up autoposting on your own schedule. This is NOT a replacement for SENuke etc. just a basic convenince add-on.
The reason I bought into the tool was in order to make my existing content unique, as far as SEs are concerned, and to add value to that existing content by means of Content Injection where the tops used to build full articles are inserted into existing content in various forms to create a new and functionally unique article.
In addition it is possible to use HTML encoding to fool SE's and Copyscape users into thinking that content is even more unique than it truly is.
Recently Jon added a facility to spin the output articles with favourites from TBS even if one does not use TBS. Of course the results are as good as autospinning ever is - if you like it have fun, but you do not need it.
It is possible to spin together the output of up to 10 generated articles and output with spintax - this is a major godsend for those using SENuke or similar.
There is limited integration with TBS, my guess is that this will grow a little over time.
For coders there is an API which enables you to add AB functionality to your own tools, this is already starting to get out into the wild - of course one needs a licence to use the API output.
On the whole I think this is a very useful tool. It provides readable content that is actually of some value, in small doses, to readers.
This is a very, very useful tool, simply but effectively implemented. I like this a lot and use it every day to generate content for my sites, to generate spinready content for SENuke X, for blog/backlinkk networks.
If one wants 'real' articles of high quality and spin ready then The Leading Articles is going to be a better bet but I have a feeling that no matter that the output of TLA is very highly spun ArticleBuilder content might just be more 'sticky' and easy to rank for because fo the way the content is generated.
