Our Score   Review Price £189.96  Despite the growing popularity
of Blu-ray, there are still a huge number of people who have no
interest whatsoever in upgrading to hi-def, preferring instead
to make the most of their existing DVD collections. If you're
one of those people then there's a wide selection of 1080p all-
in-one systems to choose from, which get you an upscaling DVD
deck, amplifier and 5.1-channel speaker system in one fell swoop
for a rock-bottom price. But while they're affordable and hugely
convenient, all too often they cut corners when it comes to
performance - here's hoping Sony's sub-£200 DAV-DZ280 can defy
our expectations.  Inside the surprisingly compact box is a main
control unit, which features the DVD player, FM radio tuner and
850W S-Master digital amplifier (which supplies 142W to each of
the five sats and 140W to the sub). It's interestingly styled
with a sharp, angular front panel that slopes inward at both
ends, a prominent volume dial on the right and a display panel
with small di