Viewfinder question

[Foster Kane]

Is having a monitor enough? None of these cmaeras have viewfinders.


http://www.amazon.com/Canon-VIXIA-Memory-Camcorder-Optical/dp/B001OI2Z2I

http://www.amazon.com/Canon-HF10-Definition-Camcorder-Stabilized/dp/B001144JQU/ref=sr_1_1?ie=UTF8&s=photo&qid=1244076242&sr=1-1

http://www.amazon.com/Canon-HFS100-Memory-Camcorder-Optical/dp/B001OI2YZQ