i currently have a 400mhz sawtooth. i want to upgrade to leopard. i found out the radeon 9800 128 is sawtooth/leopard compatible the cost is anywhere from $150-200 sonnet 1.8 $269 or power logic 1.6 $219 i currently have 1g ram but the sawtooth could support 2g $349-400 for a leopard mackitty thoughts?? has anyone upgraded? if so, was it worth it?