Button suggestions and some confusing issues

Great player . . . I have some suggestions
I'm running Win 8 with MPC Version 1.7.0.7805

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Get rid of separate Play and Pause buttons
Just have one button that toggles between Play and Pause

Provide the option to make all of the buttons a little bigger

Add a button that lets you toggle the Subtitles on and off

Add a button that lets you Step back - put a Play button in between, as follows:
Step back . . . Play . . . Step forward

Move the Mute and Volume controls to the left with the other buttons
They're too far to the right on a 23" monitor

If you go to:
Help / Check for updates . . . it doesn't do anything

Strange behavior:  When I go to open MPC, it starts maximized
File / Open DVD / Select Folder . . . click that, and by itself, the player goes to 50% in size
The center button on the top right, between minimize and close, is now:  "Restore Down" . . . it goes to 25% . . . why isn't it "Maximize?"
The center button on the top right, between minimize and close, is now:  "Maximize" . . . it goes back to full screen

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Some confusing issues:

I had the Media Player Classic installed through the K-Lite Mega Codec Pack 9.9.0 . . . version:
1.6.8.7123

I didn't see any way to un-install the Media Player Classic, alone, so that I could then install the current version that I got from the MPC web page, version:
1.7.0.7858
But, this version did not work!  It would not play a DVD.  I had it installed simultaneously with 1.6.8.7123, and all of the codecs from 9.9.0 . . . Plus, it seemed like it was "stand alone."

So I went to get the Mega Codec Pack again.  It said that 10.09 is available, but you get 10.05, and it includes MPC version:
1.7.0.7805

After install, it takes you to a page for an "update," but this time, it looks like it's trying to sell you something, a program that updates your drivers.  I didn't install it.  Can they be clear about what's going on?

This isn't the place for general suggestions for MPC-HC. This is the correct place:
https://trac.mpc-hc.org/report/9
But you can save yourself he trouble of submitting those button suggestions. I doubt they will be implemented. In fact, I think adding more buttons is a bad idea.

You can toggle subtitles by pressing S.
You can step back by pressing left-arrow. But be aware that it won't work smoothly with most video formats, due to they way those formats work technically, were decoding a frame can depend on previous frames. So multiple frames need to be decoded in order to display a random frame.
You can find keyboard shortcuts for lots of other functions in Options>Player>Keys.

Check for update is disabled deliberately. The codec pack contains a custom build MPC-HC. So there is no point in checking for updates for generic MPC-HC. Plus the version included in the pack is almost always newer that the latest standard build.

10.0.9 of the codec pack with the very latest version of MPC-HC is available here:
http://www.codecguide.com/klcp_update.htm

Very helpful - thank you!