has been mentioned in a couple of threads, so heres the info from the offical website:
Message Concerning The Best of HIGHLANDERâ„¢ DVD Collection
Due to unforeseen technical issues, the development & availability of the Best of HIGHLANDERâ„¢ DVD Collection has been delayed. We are working to resolve these issues but can not give you a firm delivery date at this time, however, we estimate before the end of this year . We will update you as soon as we can confirm additional information. Obviously, no credit cards have been charged for any pre-orders. We are truly sorry for any inconvenience that this has caused.
Please rest assured that we are dedicated to bringing you the entire legacy of HIGHLANDERâ„¢ on DVD. We estimate that the first season will be released mid 2002.