If you're in the market for a full-size elliptical, then meet the Sole E25 ($1,000, originally $1,800). This full-size machine has features to match including 20 levels of resistance, a cooling fan, Bluetooth speakers, a tablet holder, a USB port to charge your device, and heart-rate monitors that are built into the handles. When it comes to user experience, one consumer wrote, "I've had other makes of ellipticals that wore out or just never performed. This one is durable and smooth."