Here are many excellent global electronics websites

http://www.edtn.com/search
http://www.hitex.com/chipdir/chipdir.htm
http://www.questlink.com.
http://www.info-quick.com/
http://www.questlink.com/
http://www.semi.com.tw/ - Search engine with over 45000 PDF datasheets
http://www.semidex.com/ - 60,000 memory IC*’s and boards and growing
http://www.chipfinder.com

http://www.ednmag.com

Lots of Microprocessor Simulators
http://www.lauterbach.com/download.html
Company providing Free VHDL COde for Microprocessors
http://www.teleport.com/~scd/
IEEE Microprocessor Refrence ( good )
http://www.computer.org/micro/
Data Book Library
http://www.idt.com/products/

Electronics Related
http://www.epanorama.net
Graduate University
http://www.grad.sunysb.edu/applying/applying.htm
Computer Arch intrested group
http://www.acm.org/sigarch/sigarch_fact_sheet.html
8085 microprocessorsimulator
http://www.geocities.com/ResearchTriangle/2608/input.html

VLSI Student contest
http://www.eecs.umich.edu/VLSI/

Computer Aids for VLSI Design
http://www.rulabinsky.com/cavd/ AMD
Digital Simulator
http://web.mit.edu/ara/www/ds.html

FPGA related best site
http://www.optimagic.com/lowcost.shtml
Xilinx Web Site
http://www.xilinx.com/products/xaw/coolvhdlq.htm

roducts/xaw/coolvhdlq.htm

mainstream EDA vendor：
www.cadence.com
www.synopsys.com
www.avanticorp.com
www.mentorg.com

Others：
www.eetimes.com
www.elecdesign.com
www.mrc.uidaho.edu/vlsi/
www.eda.org
www.ovi.org
www.vhdl.org

And a very good BBS site about EDA and VLSI design:
http://www.edaboard.com/index.php