Did a search, but no 4.3 came up. So, here it is:
Click Here
EDIT: I am posting the new link here:
BlackBerry® from Vodafone - Software Download
EDIT: adding direct updated links to RIM download
Desktop Manager 4.3
https://www.blackberry.com/Downloads...93E4F3BB068C22
And for those of you who had problems installing on Vista
http://www.blackberry.com/btsc/searc...200%2065380488