I want to confirm what Surya mentioned about the Coolermaster N200... great little case, and it seems to be on sale everywhere (you can pick it up in Canada for about $39.99)
Built a computer for my mother using this case, plenty of "modern" mounting options (for 2.5 SSDs either in or above/below drive cages, or behind the motherboard. Comes with two fans, and once I tweaked the BIOS fan/temp control settings, the case was basically silent.
She's running a very modest AMD A4-5300 system. For her purposes, the case is cool and quiet, and the system runs smooth and stable.
Take a look on Jonsbo U3, its very compact mini tower with cool strict design.
Unfortunately it has 270mm depth, so putting in top videocards like gtx780 will be pain in the ass.
I made a gaming rig in it:
mobo: asus maximus VII gene
cpu: 4790k 4700Mhz@1.305V
gpu: GTX780ti @1200Mhz
sound: Creative Titanium HD
Hey @Lampogriz is the aiflow in the Legacy U3 sufficient for gaming? I'm very interested in this case for my first gaming build. It's between the U3 and the Fractal Node 804. The Node appears to be built a little better, and has superior airflow, but is much larger. Have you done any overclocking and/or temperature monitoring on your system? Any info would be great, since there really is no info online about its temperatures.
Rosewill Dual Fans MicroATX should do the job, although it has no dust filters.
You said you needed dust filters so you might want to consider this case, pretty cheap and has removable dust filters + fans in front and back - Cooler Master N200 , also an excellent case would be Sentey GS-6008 , its pretty high quality for the price, has fans and removable dust filters, also allows for decent cable management.