well, you have to realize that everybody has failed products. and zalman has some great stuffs too.
Smart buy http://www.tomshardware.com/reviews/low-profile-heat-sink-mini-itx,3639-22.html
golden reward http://www.hardwaresecrets.com/article/Zalman-LQ310-CPU-Cooler-Review/1697
must have http://www.tweaktown.com/reviews/5906/zalman-reserator-3-max-ultimate-liquid-cpu-cooler-review/index10.html
top pick http://www.guru3d.com/articles_pages/zalman_cnps_9900_max_review,10.html
oh, and this is my favorite.
https://teksyndicate.com/videos/zalman-zm-ve300-logans-favorite-hdd-enclosure-ever