Networking issues are definitely annoying. I haven't noticed any problems, however. One thing you might try (especially if you have DSL) is making sure your MTU setting is correct both on your device and router, otherwise it can cause fragmentation which might be leading to some of the connection issues you are experiencing.
This article has a good description of how to determine if your setting is correct:
http://www.tp-link.us/FAQ-190.html