Mauspad ? What is the right one

Hi
my MX518 needs a new pad :)
from looking at a lot of pads, i finally got these pads to chose:
Steelpad S&S
Razer ExactMat
Steelpad 5L
Qpad lowsense

okay so long
i heared if you want to play with Qpad on your best u need skatez.
is this right ?
have some one experience with this pads.
which would u chose and why.
Thx 4 Reading
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