Ok, I ran the command # esxupdate --vib-view query | grep -i tools and here is the output.
pm_vmware-esx-tools_4.0.0-2.19.332073@i386 installed 2011-02-10T23:38:04.531541-06:00
rpm_vmware-esx-backuptools_4.0.0-1.9.208167@i386 retired 2009-12-20T07:47:42.685174-06:00
rpm_vmware-esx-backuptools_4.0.0-2.19.332073@i386 installed 2011-02-10T23:38:05.905507-06:00
rpm_vmware-esx-perftools_4.0.0-1.10.219382@i386 retired 2010-05-19T16:14:21.421237-05:00
rpm_vmware-esx-tools_4.0.0-1.9.208167@i386 retired 2009-12-20T07:47:42.684664-06:00
rpm_vmware-esx-tools_4.0.0-0.5.175625@i386 retired 2009-12-20T07:47:42.731701-06:00
rpm_vmware-esx-tools_4.0.0-0.7.193498@i386 retired 2009-12-20T07:47:42.731570-06:00
rpm_vmware-esx-perftools_4.0.0-1.9.208167@i386 retired 2009-12-20T07:47:42.683474-06:00
rpm_vmware-esx-perftools_4.0.0-2.19.332073@i386 installed 2011-02-10T23:37:55.260478-06:00
rpm_vmware-esx-perftools_4.0.0-0.7.193498@i386 retired 2009-12-20T07:47:42.732162-06:00
rpm_vmware-esx-tools_4.0.0-1.11.236512@i386 retired 2010-05-19T16:14:38.359006-05:00
rpm_vmware-esx-tools_4.0.0-1.10.219382@i386 retired 2011-02-10T23:33:43.492839-06:00