I've found tons of information as well, but it would be a full time job just to plow through it all. I've found some promising leads, however. Try these sites:
www.terc.edu/investigations/eval/html/eval-map.html www.edc.org/mcc/atc-invest.html#Impactdata www.enc.org (here you'll have to do some digging) www.learner.org/theguide/ (search under resources)