I transferred universities this year and was given a computer grant that must be used. I currently have a MacBook Pro (Retina, 13-inch, Late 2013) that is working fine and an iPad mini. Right now with what I currently have I'm leaning towards option/choice #2, but would like to hear what others think.

1st choice: Ideapad Miix 510 cost with grant $141 + tax
Tech Specs
Form Factor 2-in-1, 12" Tablet with Keyboard
Processor Intel Core i5-6200U (2.30GHz, 3MB)
Operating System Windows 10
Memory 8GB DDR4-2133 MHz SODIMM
Display 12.2", FHD + MT, (1920 x 1200)
Storage 256GB PCie Solid State Drive
Weight 1.94 lbs - Tablet only/2.76 lbs with Keyboard
Battery Life Up to 8 hours
Camera 5 Megapixel (rear), 2 Megapixel (front)

2nd Choice THINKPAD YOGA 370 cost with grant $330 + tax
Tech Specs
Form Factor 13" Laptop that converts to a Tablet
Processor Intel Core i5-7200U Processor (3MB Cache, up to 3.1Ghz)
Operating System Windows 10
Memory 8GB DDR4-2133 MHz SODIMM
Display 13.3" FHD (1920 x 1080), IPS, Touch
Storage 256 GB Solid State Drive PCIe-NVMe OPAL2.0 - Capable
Weight 3.03 lbs
Battery Life Up to 10 hours
Camera 720p HD Camera with MIC

3rd Choice MacBook Air 13' total cost with grant 634 + tax
Tech Specs
Form Factor Thin and light 13" Laptop
Processor Intel Core i5 up to 2.7GHz (Dual-Core, 3MB Cache)
Memory 8GB 1600 MHz LPDDR3
Display 13.3" LED-Backlit Glossy Widescreen Display, Resolution: (1440 x 900)
Storage 256GB Flash Storage
Weight 2.96 lbs
Battery Life Up to 12 hours
Camera 720p FaceTime HD Camera