More midi mahem with new eqiupment

[Soberphobia]

Hi people I hope sum of you are getting through any problems easier than myself.MAC G4 Dual 1.25,pro tools 6.1.2,DIGI 001,OSX 10.2.8.I have a new Mackie control HUI unit and using a MARK of the unicorn fastlane 2 channel midi interface and at the moment I am suffering with plenty of major conflicts and crashes with this set up.I have updated drivers,trouble shooted my ass off and upgraded software to try ang get around some of this unstable set up.Everthing seems more stable without the FASTLANE interface[emagic AMT8 sweet].Is anyone else having similar problems and solving them,should I downgrade OSX 10.2.8 ?.any help or advice would be much appreciated thankyou.