iMac G5.. software recommendations

[JTNuck]

I recently acquired an 17" iMac G5, 1.6 PPC with 2 GB RAM. I upgraded to Leopard 10.5.8, installed iWork and iLife '08, Aperture 2 and a video game. I also added some enhancements, Divx and an I.M. program.
Can anybody recommend some software that may be fun to add? I recently switched from PC to Mac.
Thanks!

 

[Corrosive vinyl]

Mac Update

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VLC media player, iStat Pro, etc. etc.