username4 on "changing host using backup"

thank's
i won't have the acees to cpainel any time son :(
i will try to make a back up of all the data, i have instaled the wordpress in the new host, now i m going to delet the data base entry.
and using an FTP i m going to upload all the new files and the database. but i m havin problems finding a good plugin for doing the back up.
do youknow an that copy's erery file?