For under $700, you actually have two very different but excellent paths: you can go for the premium build and battery life of a MacBook, or choose a Windows machine that offers significantly more "future-proof" internal specs like more RAM and AI processing.
The 13-inch MacBook Neo is currently the standout for pure value if you want the Apple ecosystem, offering the modern A18 Pro chip at a highly aggressive $599 price point.
If you prefer a larger screen or need to run Windows, the Acer 16" Aspire 16 AI Laptop is the most "modern" pick here. It's right at the $699 limit, but it includes 16GB of RAM and a dedicated NPU for AI tasks, making it much more capable of handling heavy multitasking than the base MacBooks. It also sports a 120Hz display, which makes scrolling and animations feel twice as smooth as the standard 60Hz screens on the other models.
For those prioritizing portability and battery, the MacBook Air (M2) remains a classic choice. You can get the 13.6-inch model for roughly $630 or stretch to the 15-inch model for $691 if you want the extra screen real estate. Both offer 18-hour battery life and silent, fanless operation, though the trade-off is being limited to 8GB of non-expandable RAM.
On the budget-friendly side, the Dell 15.6" 2K Touchscreen Laptop at $489 is a steal if you value display sharpness; its 2K resolution is much crisper than the 1080p panels usually found at this price. If you just want the most RAM for the least money, the Acer Aspire 3 gives you 16GB of RAM for only $475, which is the sweet spot for a reliable home-office machine.