Everyone has to make that decision now and then when they have money constraints.
Simply put, only you will make the decision. So asking others is of no point, since you are definitely going to be aware of the risks you take. Well, if you are unaware, then in one summary, the difference between warranty and no warranty means repairs in the FIRST year (or whatever warranty period is given, I haven't seen more than one year unless you extend yourself) will be covered by you lor.
So the issue here would be whether you are willing to take the risk. Other people share experience also no use. If one guy suay suay third day camera got problem he share with you, one guy happy happy camera twenty years still working.. Would it affect your decision in any way? I doubt so, and it should not! =)