I've had my 3600HGV for 16 months, about the time most of my modems have started having quirks in the past. We're experiencing intermittent slow or no access. Unplugging the moden for 30 minutes (clearing the cache) seems to help for a day or two. In short, it's on its last legs and I really should upgrade.
What model can I upgrade to and where to I get it? I really don't want to get a refurbished unit of the same model.