Reliable Night Vision Security Cameras amd DVR for home?

I'm looking for some reliable night vision cameras that have, say, 60 ir LEDS. The ones I have now have 30 leds and don't see very far, not to mention they are breaking. I want to upgrade my entire surveillance system with night vision cameras and if the price is right it would be great if they were PTZ as well. I'd cameras $200 or less a piece. Also, if anyone knows of a good quality 8ch (or 16ch if 8 is unavailable) DVR System that works with an iPhone that would be great. I would like to watch my cameras over a cellular network while away from home. The one I have now has a dead vga video card and is a pain to set up. Something with easy set up capabilities without havung to run through dyndns would be fantastic. If you have any suggestions or experience with any equipment I would greatly appreciate it!

Go for reputated security cameras shop and tell about your model and its specifications. If you like any one then simply purchase that one, but kept that camera in highly confidential way…