Yup you heard that right. Popup ad blocking will appear in IE 6.05 as part of Windows XP Service Pack 2 (SP2). You’d have to wait until the first half of 2004 to get it. In the meantime, you can use these alternatives if you aren’t already:

• Mozilla Firebird
• Mozilla
• K-Meleon

Source: MSFN via Gemal’s Psyched Blog