I removed the /Library/Java/Extensions files and re-deployed Arduino.app 1.0.1 and it all worked fine. Must have been the versions of the files in that directory originally that were causing the errors.
cksum results[/b]
v1.0.1
MacBookPro:Downloads ilium007$ cksum Arduino.app/Contents/Resources/Java/librxtxSerial.jnilib
1364831212 271860 Arduino.app/Contents/Resources/Java/librxtxSerial.jnilib
MacBookPro:Downloads ilium007$ cksum Arduino.app/Contents/Resources/Java/RXTXcomm.jar
2257183049 59467 Arduino.app/Contents/Resources/Java/RXTXcomm.jar
v022
MacBookPro:Downloads ilium007$ cksum /Volumes/Arduino/Arduino.app/Contents/Resources/Java/librxtxSerial.jnilib
1364831212 271860 /Volumes/Arduino/Arduino.app/Contents/Resources/Java/librxtxSerial.jnilib
and
MacBookPro:Downloads ilium007$ cksum /Volumes/Arduino/Arduino.app/Contents/Resources/Java/RXTXcomm.jar
2257183049 59467 /Volumes/Arduino/Arduino.app/Contents/Resources/Java/RXTXcomm.jar