If you go on to Colchester Utds web site it shows Calliste scoring a great goal for them last week in a friendly against Tiverton.The U's wanted to give him a contract but couldn't afford what he wanted.
http://m160ra.blogspot.com/2005/04/theatre-of-broken-dreams-six.html says here that Calliste was the 'biggest surprise' of the 6 released by Alex.