Your input is greatly needed as I don't want to regret buying this machine: Macbook Pro, 15.4" screen, i5 2.53 GHZ Processor, 4 GB Ram, 500 GB Memory Asked $700 and I negotiated to $550. Is this a deal I shouldn't pass up? Or will I regret spending $ that could go into new machine with a little patience and budgeting? What am I going to use it for? Creating Podcasts Serial Entrepreneur that wants to learn to code Should I buy this?