As a tech blogger, my computer doesn’t just run programs; it runs my business. My entire workflow relies on rock-solid automation, including running nightly backups, cleaning up massive image folders, ...

suppose I have a task to run at a time e.g. 3pm but the computer is off at the time. After 3pm it is turned on, it loads windows. I'd like the task to run I don't see an option with that description ...

Don't know how it looks in Vista, but Windows 7 Task Scheduling seems revamped quite a bit to the point that it looks to be a complete super-set of services. You can do remote management through MMC.