It's not as cut and dry as "looks good or not."

The 4870 version looks more like an apogee gt or ek supreme with the pin design than any of the FC blocks. The FC block makers cut slits into the copper and called it a day. The original MCW60 was also a winner when it came to cooling performance and the 4870 is based on that design.

Remember what cathar said, XS is about performance first and foremost. Not just blinginess. Bling is just icing on the cake.