I have the MLK 1650.3 3 way set in my car and they are phenomenal. If you are interested I have the 1650.3 woofers up for sale as well as the crossovers to run the 700.3 and 280.3. I just switched to active, and I'm putting anarchy midbass in my doors. I believe there is a guy selling the 280 and 700 on DIYMA right now used for 600 total. Could have a sick semi-active front setup with these.
Also found a PPI black ice 900/4 for sale for 125 shipped. Pretty solid amp for the price, goot output at 4 ohms as well, and has the crossover you need to run the midbass active /midrange-tweeter combo passive.