Iconfactory today announced the release of iPulse 2.1.8 and Twitterrific 2.0. iPulse (US$12.95) allows Mac users to quickly get a feel for what Mac OS X is doing under the hood via a unified, concise interface that is completely customizable. Version 2.1.8 fixes several bugs including reporting process information, properly displaying network statistics when disconnecting from a VPN, and localization. In addition, in the “strange coincidence” department, iPulse now supports CPU reporting on Macs with up to eight processors as well as Leopard. Twitterrific is a free client for reading and posting to the Twitter network. Version 2.0 has gone through some serious improvements since its initial release, as well as several important bug fixes and represents a “must have” upgrade to anyone using Twitter on the Mac.