I got myself a Panasonci DMR-ES10 DVD recorder for my bedroom. It is connected between my DishNetwork DVR and TV (just like a VCR would be). I did some research prior to buying one and found the Panasonic were highly recommended for DVD recorders. Mine records all known format: -R, +R, RW and Rom...

Axiom M60s, QS4s, VP100 Onkyo TX-SR804 Oppo 970HD Rotel RB-1080/RCD-1072 REL Q150E sub, PS 3