Free collection tracker with support for duplicates, minifigs, wish lists & sharing

I've (currently) got about 200 sets, and I'd tried tracking them in everything - a spreadsheet, Rebrickable, Brickset (both genuinely great, worth checking out). Nothing quite ticked all my boxes, so I ended up building my own: BrickAddicts.com. It handles duplicates, individual minifigs, wish lists, browsing the full catalogue (and tracking retirement dates), sharing your collection in a couple of clicks. You get rich statistics (spend tracking, build status, theme breakdowns etc). I tried...