Cool stuff! (love the Haemi) Looking forward to seeing some paint.
For stripping minis, I've found that using commercial degreasers from hardware stores is the cheapest and best solution to stripping plastics. I don't have experience with stripping resin/Finecast using this method, but have stripped hundreds safely.
Link:
http://compare.ebay.com/like/200618650228?var=lv<yp=AllFixedPriceItemTypes&var=sbar
I soak the minis in a bucket or container for a week, use a toothbrush to scrup the paint under running water, repeat if necessary.
For all metal minis you can separate them from the plastic components and put them in acetone for 10-15 min. The paint immediately sloughs off. No plastic though!
Hope this helps.
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