get_iplayer:
This tool allows you to search, index and record/stream:
BBC iPlayer TV - up to 3200 kbps HD 720p H.264 / Quicktime / MP4
BBC Live TV - 500 kbps H.264 / MP4
BBC iPlayer Radio - up to 192 kbps MP3 / AAC and Realaudio
BBC Live Radio - up to 192 kbps MP3 / AAC, WMA and Realaudio
BBC Podcasts - up to 192 kbps MP3 / AAC
BBC iPlayer TV subtitles - SubRip / srt
get_iplayer has ‘PVR-like capabilities’, too.