TigerCat: I'm not sure which "new version" you're asking about. IE9? I've been happily using IE8 on a couple of machines here for more than 1 1/2 years, and can't think of any safety concerns specific to that version.
(hide) If you are waiting for your turn, click on "change" next to the "refresh" on the main page, then set refresh the page to 30 seconds to get your turn to move displayed faster. (Servant) (show all tips)