Has anyone successfully adapted a 990 to 220V/50hz operation?

If not, is there any downside to using a properly rated step-down transformer? I may be relocating to 220V land soon and didn't want to go through the hassle of buying all new gear since the company is paying to have all my stuff shipped if I want.

On a related note....I wonder if the same answer would apply to a power amp (like my 755 or the amps in my LFM-1's)?

Cheers,

Ritz
(gads, after a VERY long hiatus...been awfully busy)