I have several mods from Kevin, going back to my first installation with 6.1.6. All the mods I have ever purchased have been installed that day without a hassle. He even took time to work out any bugs it may have caused in some other mods. The facebook and Twitter mod for D7 is essential, as well as using the facebook connect feature. It is nice to do all your updates in one place. Great service, great mods!