aka programmable hardware, (re)configurable logic, etc

• Field Programmable Gate Arrays (FPGAs)
  • uni of toronto has an active FPGA group, working on a range of projects including the 'transmogrifier' http://www.eecg.toronto.edu/EECG/RESEARCH/FPGA.html
• Complex Programmable Logic Devices (CPLDs)
• Manufacturers
  • Xilinx http://www.xilinx.com/
  • Altera http://www.altera.com/
• Open Hardware from Opencores http://www.opencores.org/

• Verilog http://www.verilog.com/
• VHDL http://www.accellera.org/
• EDIF http://www.edif.org/introduction.html

• http://www.ddj.com/documents/s=7927/ddj0305g/0305g.htm
• http://www.al-williams.com/pldhome.htm
• open directory category http://dmoz.org/Computers/Hardware/Programmable_Logic/
• suvey/ tutorial http://www.eecg.toronto.edu/~jayar/pubs/brown/survey.html