a VGA monitor will probably give you better clarity, but also you can upgrade to touchscreen (yay!)
however if you do need a converter - try googling VGA to TV converter.
Word of Warning - Some of the results will be a passive device which is just a cable, these are designed for some graphics cards that can output TV resolutions and refreshes, most of them cant.
Something like -
http://www.redstore.com/OEMGPC046 is what your after, and it handily draws power from the USB port. Winner
