All right, got a used X-Can along with my HD650 Headphones about a month ago and came across Grotto's thread on the upgrade of capacitors and diodes...and ordered it from Mike. Great person, fast shipment and answered all my "dumb" questions. Here's a link to Mike's Site:
http://www.rock-grotto.co.uk/Neilxcan2.htmSo, here are some pictures first off:
Stock Boards

Main Board

Power Supply Board

PS Board, Caps removed

PS Board w/ New Caps & Diodes

Main Board w/ New Caps

Boards reassembled with Herbie Tube Dampeners

Upgraded X-Can w/ blue LED

w/ HD650 Headphones

w/ HD 650 and DIY Cable

So far...only 5 minutes...sound??? Better...more details to come!