Microsoft has released the final version of Internet Explorer 8 with claims of it being easier, faster & safer. You can download Internet Explorer 8 from here.
What’s worth mentioning:

Improved tabs- Internet Explorer 8 has improved the way tabs work. Links opened up from one tab in new tabs will have same tab colour & the [...]

Microsoft has released the Release Candidate (RC) 1 of Internet Explorer 8. It is now available for Windows XP, Windows Vista 32 bit & 64 bit versions. This release will not work on Windows 7 Beta.
What’s new in IE 8 RC1:

Accelerators- View driving directions, translate words, email your discoveries on the web to others, and [...]