well this does not do VHS or a dvd but has the twin digi tuners you were looking at.
http://www.homecinemachoice.com/cgi-...?reviewid=7021
you can see some on ebay too..........
Or you could go with the SKY HD box but again thats only to a hard drive..
or look at something like
http://beststuff.co.uk/humax_pvr_9200t.htm