You are now friends with Alessandro
jomsocial is not that bad... but if i have to pay... i'm thinking if it's better to go for socialengine or moxi9
but I'using the stable 3.xxx version from instant.jomsocial.com/
JomSocial works just fine, I'm using it on a HUGE community site. This version on their site is a BETA of the new version so, yes, there may be some bugs...that's why it's called a BETA or a test version.
Before buying JomSocial, I would like to know if it works! Reading your forum, many customers have problems for basic functionalies!