Don't give up on micro-ATX just yet - use the newegg.ca search for MicroATX Desktop. The Apevia Q-Pack looks decent, but throw away the included PSU, it's junk. This Xigmatek isn't cheap, but it's water compatible:
Newegg.ca - Xigmatek GIGAS Series CCC-MD26TA-U01 Black Aluminum MicroATX Desktop Computer Case