As far as I know, Binos, all the hard drive DVD recorders will do that?
I would also suggest that an 80GB drive would be more than enough for your needs if they are still available.
In the UK with the 'switch' to digital TV we are having to look at Digital tuner DVD recorders and twin tuner machines (watch one digital channnel, record a second) are coming in at reasonable prices.
Great machines, the DVDRs. So much better than VCRs.