Hey Friends! I'm new here. I currently own a 13" 15 Retina 8gb 126gb i5 that I bought open box from Best Buy last year. I need a machine that I can duel boot windows on, mainly for Excel (Max Excel doesn't support Power Pivot). I looked into upgrading the SSD in my current machine but its very pricey. I know we are possibly on the horizon of a new MBP, but I was looking at a refurb 2015 13" (I like that size) 16 gb, 1 TB ($2199) or 512 ($1800 i7) from Apple. I know the ports wont be up to date, but I think for what I would need it for I would be set. Any advice/thoughts? I dont have the space now on my current machine to partition Windows. Thanks!