Originally posted by: UltraWide
I applaud you on your correct use of grammar(were instead of was), it is very rare these days. 🙂
Back to the question, I would go for the ibook and save money. Then use that money you saved to upgrade the RAM as high as possible. For the applications you mentioned the ibook should run just fine. The Powerbook will be faster, but you will only "need" it if you crave speed more than anything.