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Salutations! Thanks for all your help with VII's new information, it's been a real sore spot for the site for years and I'm glad someone decided to pitch in! These sites here are the ones I use to double check myself when I don't feel like spelunking through countless gamefaqs boards. Auto translate can be a little rough, but once you get the hang of things its easy to discern the information. Once again thanks a ton for your help!
http://wikiwiki.jp/dqdic3rd/ Character ages, nicknames, how often monsters appear, developer quotes, etc. Only thing they lack are pictures.
http://www7b.biglobe.ne.jp/~dqwiz/ The one most regarded by the gamefaqs crowd. Its ceased updates as of VII's remake, but covers monster resistances, stats, equipment price, you name it.
https://www.d-navi.info/ Absolutely the best resource for IX's data, providing all the calculations for skills and spells, as well as hidden equipment stats.
http://dq-gh.com/ Not quite as detailed as Navi, but they do provide images for most games, and it pays to have additional sources