Reply to VCI-100 Where to start?

I bought a VCI-100 off Craigslist today its in good shape I tested it with the stock Traktor set up everything seems to work fine with. I would like to do the mods to bring it up to SE level is there a step by step guide somewhere?

1. upgrade firmware
2. Get overlay

Is that it?
Should I wait for a TP2 overlay to come out?
Are there any custom mapping I can use with the stock firmware till I order my mod chip?

Thanks!
Floyd