i hope someone deletes your post, this isn't a macbook pro for sale thread. Post that in the marketplace, don't try to hijack threads that people are helping other people in.
Notably, by quoting his post, you've doubled his advertising space in the thread. Now the mods have to delete his post AND yours.
Perhaps something in a private message next time?
And, just to keep this on-topic, 64 bit is definitely worth it. It's not exactly future-proof, but it's much more future-tolerant at least.