Cooler Master Elite 341 can fit long cards and has a ton of cooling. Antec NSK3480 can fit long cards, but you are limited to 5.5" long power supplies (Antec TruePower Trio or Rosewill Green are likely choices). Many of the small cube cases (X-Qpack, MicroFly, etc.) can fit long cards, but some will need the power plugged in before installing the card, or some trimming. A number of the In Win mATX cases can fit long cards.
Basically just about any micro ATX tower case that does not have drive bays from top to bottom can fit longer cards.