Yep, move Xtal closer (as close as physically possible) and move decoupling caps as close as possible too.Also, we might as well learn you some PCB layout right now... Avoid those 90-degrees bends, they can be a problem when etching, and even give you problem if your circuit is high speed (RF-circuit)// Per.
These are all much more reasonable for panel mounts.http://www.taydaelectronics.com/catalogsearch/result/?q=power+jack
What is HT1632? Is there a reason not to connect all Vcc & Gnd pins?
Looks like you're still missing a GND on HT1632 if the name on the symbol means anything.On the board, why is LED2 and R6 (330K? will the LED turn on?) so much different than LED1 and the other resistors? Just wanted the soldering challenge?
HT1632 Pin 8 says GND above it, that's why I asked.
Not sure if it fits your needs but this thing produces virtually no heat and can be dropped in place of a 7805, same size and pinout. And for how cool it is it's not very expensive either.http://www.newark.com/jsp/search/productdetail.jsp?sku=72R3616
I bought a bunch recently myself. They have pretty good prices.I don't know who in the forum identified them as a source.Great price on MAX7219s also.