I'd lean towards a, if you want to keep both, but if it was me I'd be going for B and specced up high as I can do all of my work as a Systems Administrator from

I'd lean towards a, if you want to keep both, but if it was me I'd be going for B and specced up high as I can do all of my work as a Systems Administrator from my MBP. They're awesome machines and mine is coming up to 3 years old. MBP's definitely need an SSD (not sure if they still come with HDDs). Mine had a 500GB HDD, I dropped the laptop when using it and damaged the HDD. I replaced it with a 128GB HDD (as I don't have much large software that's double what I need) and the speed difference is insane. App launches are 5-6x faster, bootup is probably 10x faster and more. If I let the battery run out and it slept, when waking it'd take about 2-3 minutes to resume, now it's 2-3 seconds. I'll never own a machine with a HDD again.