I have been going to Gogama the last week of June for about 10 years now and we always have lots of pickeral to eat, even good luck at some bass and whitefish. We have been staying at www.minakwalodge.com very clean and upto date housekeeping cottages....seems like they make more improvements every year. They also have a nice marina with hydro hookups to charge the batteries, we have been travelling in a group of twelve and bring 4 boats with us, it is a very reasonable week cost wise (we rent two cabins).
I also flew to a remote lake from Air Ivanhoe that's in Foleyet, went around August 17, 2011 and it was the best fishing I ever had. We counted the pickeral that we caught and released on the Wednesday and it was a total of 65 for dad and myself. I would definetly go to one of there camps again.
No matter where you go I am sure you will have a good time, I found that its a must to have a portable fish finder and do your research on the internet before you go to find where they are catching fish and what method they are using.
Good luck,
Bing