That can mean practically anything. From reading huffingtonpost via looking at youtube video's, viewing DVD's and playing Tetris to heavy gaming like Crysis. For the first four any basic laptop would be fine. For the last one you need a gaming laptop.
1) HP ENVY m6-1117TX Notebook
2) VAIO E Series 15
3) Acer Aspire V5-571PG-73514G75Mass (Touch)
Desktop replacement. Mainly for entertainment use.