someday in the near future when you’re forced or tricked to update iStats. here’s a real nice alternative atPurpose atMonitor

http://www.atpurpose.com/atMonitor/

another nice feature with atMonitor is the ability to “purge memory” – sometimes firefox will get up to 800mb+ on me and i trim the fat off of it. you’ll need to download CHUD (Computer Hardware Understanding Development Tools*) from apple developer for it to work.

*A set of software tools, collectively Computer Hardware Understanding Development Tools (CHUD Tools) measure software performance on Mac OS X, to aid in optimizing. Also provides hardware system benchmarks