I don't know if I downloaded the newest version - i had to click on your earlier post (12/7/10). The link is:
http://massiveassaultnetwork.com/man2/java/MAN.jnlpI get the same crash, though it could still be the 2.5.0.2505 version. Here are the Java details:
Problem signature:
  Problem Event Name:	APPCRASH
  Application Name:	javaw.exe
  Application Version:	6.0.200.2
  Application Timestamp:	4bc3954b
  Fault Module Name:	nvd3dumx.dll
  Fault Module Version:	8.16.11.9141
  Fault Module Timestamp:	4b975f7f
  Exception Code:	c0000005
  Exception Offset:	000000000035bc0b
  OS Version:	6.1.7600.2.0.0.256.48
  Locale ID:	1033
  Additional Information 1:	eb7b
  Additional Information 2:	eb7bce2fffd0d60f44f0eb656dba4b8e
  Additional Information 3:	34a7
  Additional Information 4:	34a7859fc3ad5f890390ed63b73bb6df