A superb website is dedicated to Information and Communications Technology for Language Teachers, including CALL, CAA and HLT.
An excellent introductory article on HLT, by Mat Schulze and Piklu Gupta.
URL: http://www.ict4lt.org/en/en_mod3-5.htm
This website from CILT and ALL provides a gateway to information and guidance for teachers of languages on using Information and Communications Technology in the classroom.
URL: http://www.languages-ict.org.uk