>>2923857For some camera series and in some situations, getting the newest model with the newest sensor has good advantages - for others, not so much, and you might much more need to use a good lens or good artificial lights.
And an used professional / enthusiast camera may have been used heavily indeed - you might have to get service soon.
It really all depends on what you get. Figures that's not easy to determine if you never had an IL camera before...
>>2923858Then try
>>2923850 first.
It also can do the baffle removal trick:
http://photography-on-the.net/forum/showthread.php?t=1410220 