If your looking for an easy way to record TV to either your iPad or iPhone 4 the new iRecord Pro device from iRecord might be worth a look.
Straight out of the box iRecord Pro will record to hundreds of different portable devices, including iPads, iPhone 4, USB flash drives or hard drives.
iRecord will record TV directly to your iPad for viewing later by using the supplied iRecord Desktop to set up a schedule of one or more programs for completely unattended recording.
The iRecord Pro Desktop software is a powerful PC/Mac tool for iRecord Pro enabling iRecord Pro to be connected to a PC and Macintosh through its USB device port to allow recording analog AV contents to PC/Mac hard drives or connected devices.
The iRecord Pro with iPad and iPhone 4 compatibility is available to purchase directly from the iRecord website for $269.00.