Two Cases come to mind when at the $35.00-$50.00 mark
These cases have Solid construction, Quick tooless drive bays, bottom mount Powersupply with dust filter. Front dust filter. Room for plenty of fans and airflow if desired.
Thermaltake Commander $44.99 and $34.99 after rebate(gamer style case, very agressive looking for it's price range
Thermaltake V3 $38.00 and $28.00 after rebate
Both cases are basically the same with the Comander being a little more aggressive looking.
It comes with one silent 120mm Fan, then if you wanna add another
Enermax T.B. Silence 120mm Twister Bearing Case Fan $12.99
I have the commander and the enermax fan in my backup rig. It's completely silent and it's awesome. The LED's in the Thermaltake fan are a very dark blue and are hardly noticeable. It comes installed in back of the case but I put it in the front. The dust filter in the front makes it almost invisible.
Your other option is to cut the LED's on the antec fans and use a fan controler. I have about 10 antec fans and the leds are simple to just snip the wire to each led. However If you use a fan controller it will dim the leds as you lower the power/voltage to the fans.