Let me answer with a quote from Kuroi.. (who IMO has written the ONLY version of this add-on that is worth installing)
Quote Originally Posted by kuroi View Post
It maynot have all the bells and whistles, but the plain 4.7 version has been thoroughly tested to a professional standard, has no known bugs, and provided it's installed correctly will work fine.
I've posted in this thread what my opinion is about the "others" (AKA the Ajax and the MultiAdd versions of SBA). I won't repeat it, but here's the link:
http://www.zen-cart.com/forum/showpo...&postcount=776

Quote Originally Posted by philip937 View Post
Hi All

I am having an issue with my stock by attributes. When I select Catalog > Products with attributes stock, Most of the timne I get a message saying a script has stopped working? something to do with Ajax??

Also it says: Suchen: ??what does this mean?

has anyone else got this problem, and or know any other problems before I go live with this add on???

Regards,
Phil