private static void HandleGetResponseResult(IAsyncResult result)
        {
            var pendingResponse = result;

            PriorityQueue.AddWorkItem(() =>
            {
                var responseState = (ResponseState)pendingResponse.AsyncState;
                try
                {
                    var response = responseState.WebRequest.EndGetResponse(pendingResponse);

                    byte[] bytes = null;
                    using (var stream = response.GetResponseStream())
                    {
                        bytes = new byte[stream.Length];
                        stream.Read(bytes, 0, (int)stream.Length);
                    }

                    var pc = new PendingCompletion(responseState.Image, responseState.Uri, new MemoryStream(bytes));
                    PriorityQueue.AddStorageWorkItem(() => _iso.Write(responseState.Uri, bytes));
                    PriorityQueue.AddUiWorkItem(() => HandleCompletion(pc));

                    //System.Diagnostics.Debug.WriteLine("Saving to the iso image cache...");
                }
                catch (WebException)
                {
                    // Ignore web exceptions (ex: not found)
                }
                catch
                {
                    // Other exceptions...
                }
            });
        }