Finally a useful article on eclipse.ini memory settings: "Many users seem to have problems with running out of memory when using Eclipse 3.2 in combination with additonal plugins such as those from JBoss Tools or even Eclipse WTP."
Some weeks ago we improved and unified the settings for the tag cloud. If you have JavaScript enabled you see now above your tag cloud the options for sorting (Which could be either by frequency (i.e., how often you used a tag) or alphabetically.), layout (You can choose between a cloud or a list.), and minimal frequency (Allows you to show only tags which you used at least that often.).