The Yamaha P105 88-key digital piano is a simple yet elegantly designed piano with excellent sounds and keyboard feel; perfect for the serious learner and for piano practice. It comes with drum patterns and pianist styles (and not with hundreds of accompaniments if that's what you are looking for).
Pros Easy to Use, Excellent key Action, Realistic Sounds
At this price range, you have options from other brands as well, such as from Casio, Williams & Korg. No doubt the Yamaha p-105 is a good piano, but if you're looking for more choices, here are some.
First is the Yamaha DGX640, which is an excellent piano but also has several arranger like features, including styles. If you're not interested in the various styles & voices, you can consider the simply designed Korg SP280 piano that has excellent piano sounds & key touch. Another value-for-money option is the Williams overture piano & the Casio px-150 piano.
Overall, a great 88-key weighted-action piano with an excellent piano sound, suitable for piano learning and for practice. The Yamaha P105 is lightweight (under 27 pounds) and can be used for performance as well.