I had my iBook for plans like that but the logicboard died on me. Heres what could of been done to mine.

Before:
512MB PC133 chip
Airport
700MHz CPU
24x CD-ROM

After:
faster fan that can push 200CFMs
Pioneer DVR-K06 8X Slim Slot Load DVD-RW Dual Layer
160GB hard drive with a 16MB cashe

It looks good, feels a lot faster with the memory maxed out huh?
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To live is to let die