Depends on your budget.
I have a Russ Andrews 8-way Silencer block. The cables are a seperate purchase, and as such can be pretty much any length you require.
However... You've gotta have pretty deep pockets for this one.
Can't remember the exact price as I've had mine a couple of years, but it weren't 30 quid!
A/V: Sony KDL-V40A12U & BDP-S350, BT Vision, Onkyo TX-SR875, B&W MT-30 7.1, QED audio cables, Russ Andrews power cables.
Hi-Fi: Arcam CD72T & A65+, B&W 602S3, Partington stands, Grado SR125, Kimber I/Cs, QED speaker cables, Russ Andrews power cables.