I have the same monitor as you (minus the speakers) and I find that on my monitor HighGFX doesn't quite fit onto the screen as there is insufficient adjustment control on the monitor, and that's the only reason I don't use it, otherwise I would do.
Try the "TOTCLKS" Tooltype !!!
You can shrink the size of hgfx to fit into your display.
Read the hgfx-guide for more / how-to.