Internet Recliner

If they can make a La-Z-Boy with a beer fridge under one arm, then this one ought to be easy.

Adapt a conventional reclining chair (like the kind grandad has in front of the TV) to house you computer & peripherals. Put the tower case under the left arm, the printer under the seat, and either get one of those suspension arms for your monitor or install a flat-screen that swings up like a tray on an airplane from the arm of the chair. Pop a track ball in the right or left arm (depending on the user, of course), mount the keyboard on a kind of 'breakfast-in-bed' tray to rest across both arms, and run all the wires out the back to their appropriate recepticals (power, telephone, ethernet point, stereo &c.) - if you wanted to get fancy I suppose you could even keep CD-ROMs and such in a compartment under the other arm. But in any case, forget that ergonomic Ikea Special - kick your feet up in an absurdly overstuffed armchair whilst perusing the 'bakery.

(Next time I see a likely candidate in a charity shop, I think I'll do it - let you know how the venture works out.)