The new objectives are available in January
http://certification.comptia.org/a/New_A_Calendar.aspx
The 2003 objectives are available for some countries through June 2007.
CompTIA A+ Exam 2006 Update - Overlap Calendar
The 2003 version of CompTIA A+ will remain available for a certain period of time after the launch of the 2006 version of the offering. The below information represents the date in which the 2003 version of the exam will be retired from the marketplace. Please note the varying dates associated with countries, language versions and academic versions of the exams.
Arabic, Chinese, Dutch, French, German and Spanish versions of exams covering 2003 objectives will remain available until translations of the exams covering 2006 objectives are available. Related exam codes are 220-301 and 220-302 for Chinese, Dutch, French, German and Spanish, and 220-303 and 220-304 for Arabic.
Greek translations of the exams covering 2003 objectives are expected to be available in Q306. These translated exam versions will remain available until translations of the exams covering 2006 objectives are released. Related exam codes are 220-301 and 220-302 for Greek.