Boomerang, the clever service for Gmail that enables you to send messages at specific times and reminds you if you haven’t received a reply to a message you’ve sent, has left beta and developed pricing plans. Boomerang remains free to use for up to 10 messages per month, but personal accounts (for normal Gmail) now cost $4.99 per month and professional accounts (for Google Apps accounts) cost $14.99 per month.follow link
Avoid Long Hierarchical Menus
If you right-click (or Control-click) on some item, such as a file in the Finder, and one of the sub-menus has many options (Open With is a frequent culprit), it may take several seconds to open, even on a fast machine, which is annoying if you did not actually want that sub-menu.
The trick is to not pull the cursor through the menu, but in a curve around it, so the cursor does not touch any menu items until lower on the list where you wanted to go.
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Boomerang 1.0 for Gmail Adds Pricing Plans