If he wants a little bling Rosewill has actually stepped up with there cases for better air flow, This is a Micro ATX case but only has front 2.0 USB ports and both are $3 more in price.
Rosewill RANGER-M Dual Fans MicroATX Mini Tower Computer Case - Newegg.com
and a standard ATX that can take a Micro ATX board and had both 2.0 and 3.0 USB on the front (Well the 3.0 USB is actually on the top front)
Newegg.com - Rosewill Galaxy-02 Black Gaming ATX Mid Tower Computer Case, comes with Three Fans-1x Front Blue LED 120mm Fan, 1x Rear 120mm Fan, 1x Top 120mm Fan, Top mounted USB 3.0 Port
Would dust get into these cases easily as they have more openings for better air flow?