And the QFP Spartan 6 is the most powerful Xilinx FPGA that is hand solderable. Maybe not a concern if you are using an existing board or have a reflow oven, bu

And the QFP Spartan 6 is the most powerful Xilinx FPGA that is hand solderable. Maybe not a concern if you are using an existing board or have a reflow oven, but for me that is a good reason not to go up to Spartan 7 or newer.