Had a discussion with a trusted mentor of mine - spanning hardware and software home based work today - specifically about restarting FPGA work I looked at in 2010.
Move to OPENCL for FPGA based
https://www.xilinx.com/content/dam/xilinx/imgs/products/zynq/zynq-eg-block.PNG
$249
https://www.xilinx.com/products/boards-and-kits/1-vad4rl.html
voucher for 1 year of
60d-eval/$1k
https://www.xilinx.com/products/design-tools/software-zone/sdsoc.html
https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18842491/Boards+and+Kits+Voucher+Licensing
or
$700 PCI based
https://www.xilinx.com/products/boards-and-kits/ek-s6-sp605-g.html
or
$40 Lattice based 7k lookup table
https://www.sparkfun.com/products/14829
Deprecate all non-FPGA work below
http://javahardware.blogspot.com/
http://obrienlabs.blogspot.com/2010/12/altera-cyclone-iii-development-kits.html
https://eclipsejpa.blogspot.com/2012/11/java-7-se-parallel-processing-cluster.html