The plugin is really easy to setup (if you already configured another twitter application, this should be no different), and haves tons of features!
Most of my online social circle comes from twitter, so this plugin is really worth it for me.
You can always tweet using the share this, function, but it's a few more clicks, and it's already hard enough to have visitors click on something, let alone comment... anything that makes it easier is good.
While most devs that write something for JomSocial seems to bump up the price of their extensions, because of the hefty price asked for JomSocial. Twitter @anywhere at 5$.. is really affordable!
Can't miss out on this one and can't believe this had a rating of 1 star from one voter either...