Im debating between 2 waterblocks, the storm and the apogee. The rest of my setup looks like this: swiftech mcp-655 pump, black ice gt stealth 360 radiator, typhoon dual 5 1/4" bay resevoir, 2 swiftech mcw-60 vga blocks. I want to go with the storm block but my only concern is that it will constrict the flow of my setup too much, the apogee wont but i dont know how well it will perform compared to the storm.