Help with speaker placement in my real life room

That's a good idea putting them on wheels to position.   I solved part of my room issues with some curtains and a small area rug.  I put sub on a Gramma platform and decoupled my speaker stands on spikes.  Since placement could only take me so far so those things went a long way.

One of the best tweeks was when I swapped TVs and set up another family room, I put the 55" in our other family room and put a 47" in its place in my listening room.  The wife and kids gravitated toward the larger TV...... I then pulled the speakers away more from the walls and removed some furniture.    Now with the kids in the other room, my wife actually listens to music or watches a movie with me.  

Mark, having just gone through speaker placement in my small room, I can say that using an SPL meter helped me tremendously.  Also, dont be afraid to try speaker positions that may not make sense (visually or logically).   I cannot believe how much better my speakers sound now and the setup I ended up would be something I never would have imagined before. My speakers are not very close the sidewalls, pointed straight ahead.  

tboooe,  how exactly did you use the meter?  Did you play some sort of test tone?  I have old school tube gear, not a home theater rig or anything like that.  Can I make use of a meter such as this in  my system?  I see that there is a SPL meter app for iPhone, I wonder if it's any good, or if the iPhone mic is up to the challenge.  thoughts?
https://itunes.apple.com/us/app/spl-meter/id309206756?mt=8

Mark, I dont have a home theater set up either, just plan ol 2-channel with a sub. All you need are some test tones (I bought a test tones cd from Rives audio ages ago) and an SPL meter. I dont know how good the iphone is but I used a Radio Shack one. Another relatively cheap method is to use free room analysis software Room EQ Wizard (REW) and get a usb mic from minidsp for $75.

http://www.roomeqwizard.com/
https://www.minidsp.com/products/acoustic-measurement/umik-1

Everybody has different preferences but I normally start with the bass and midbass region. I try to get the region from 20-1000hz as flat as possible in my room. This is important to me because I listen mainly to acoustic music and I really tend to focus on the vocals more than anything else.  In my room, the freq response from 20-1000hz is +- 2db except for a -4db dip at 200hz and +4dp hump at 40hz. Still not perfect but this is the best I could do in my little room.  Once I got this region dialed in I messed around with toe-in. The end result was much different than how I previously had my speakers positioned.  Remember to move in small the speakers in small increments. I wouldnt try to do speaker setup all in one session. It takes a lot of patience and creativity. I am still amazed at how good my system sounds now.

Let me know if I can help in any way.

Thanks tboooe, if you can, send a photo or two of your speaker setup, I'm curious about the unexpected placement.  thanks!