When I make a new world of any kind in the DW20 1.6.4 pack, it instantly crashes. I have 4 GB of RAM dedicated, the lastest version of Java, and have tried Force Updating. Here's the crash log: http://pastebin.com/FVebLvrN
Here is the FTB Console log: http://pastebin.com/4U64QH9L
Here is the FTB Console log: http://pastebin.com/4U64QH9L