In case it's not clear to the original poster, one thing you can do to increase max recording time is to record at 16/44.1k, not 24/44.1k. At 16/44, you can get about 3 hours, 25 minutes.
Not an ideal workaround since you skip the 24bit capabilities, but if you have some shows where you expect the 2 hour limit to be a problem, you can get added recording time at the expense of recording bit depth.