All right, if sun.arch.data.model means the bit version, I have 32-bit java. I'll change to 64-bit and attempt it again and see.
Uploaded .txt of log (copied to and DLed from pastebin)Also at http://pastebin.com/3RsJsEYsLog of events leading to crash (recorded in mc launcher)(update) highlighted error lines, http://pastebin.com/vFXmniNa
All right, if sun.arch.data.model means the bit version, I have 32-bit java. I'll change to 64-bit and attempt it again and see.