Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
Best get to grips with single sided boards first. Double sided boards are more involved in that to make contact between the two sides, you either need PTH (plated through holes), which are beyond the scope of most hobbyists, or solder short pieces of wire between the layers.
im loving that you are doing this too ash...are they on side with you over on the cx forum...i bet they will be when it all works and still looks stock..
as to the potting what will you use to reseal the cdi
sound good is it this stuffhttp://www.google.co.uk/shopping/product/5009981323735501408?lsf=seller:87981,store:8414587908041704960&prds=oid:5468991119695532258&q=magic+gel&hl=en&ei=kaMJWo_yC-KNgAaW6qCoBw&lsft=gclid:EAIaIQobChMI4NvdoNm71wIVypTtCh2uxQDjEAQYASABEgLCn_D_BwEanyway we use this and can submerge 230v joints pretty much underwater ...i took apart an underground joint filled with this after 3 years to add some more circuits and it was as good as new...and it was pretty much in a bog