Solution with setting the "MinSpeed", "MaxSpeed", "AccelFactor", does
not work in my case. I have a TabletPC tx11200us

#cat /proc/bus/input/devices

I: Bus=0003 Vendor=093a Product=2510 Version=0111
N: Name="PIXART USB OPTICAL MOUSE"
P: Phys=usb-0000:00:0b.0-1/input0
S: Sysfs=/devices/pci0000:00/0000:00:0b.0/usb2/2-1/2-1:1.0/input/input2
U: Uniq=
H: Handlers=mouse1 event2 
B: EV=17
B: KEY=70000 0 0 0 0
B: REL=103
B: MSC=10
---------------------------------------------
I: Bus=0003 Vendor=0eef Product=0001 Version=0210
N: Name="eGalax INC. USB TouchController"
P: Phys=usb-0000:00:0b.1-2.3/input0
S: Sysfs=/devices/pci0000:00/0000:00:0b.1/usb1/1-2/1-2.3/1-2.3:1.0/input/input3
U: Uniq=
H: Handlers=mouse2 event3 
B: EV=1b
B: KEY=401 30000 0 0 0 0
B: ABS=f
B: MSC=10
------------------------------------------
I: Bus=0011 Vendor=0002 Product=0007 Version=01b1
N: Name="SynPS/2 Synaptics TouchPad"
P: Phys=isa0060/serio1/input0
S: Sysfs=/devices/platform/i8042/serio1/input/input11
U: Uniq=
H: Handlers=mouse3 event11 
B: EV=b
B: KEY=6420 70000 0 0 0 0
B: ABS=11000003

As you can see i have 3 input devices, a touchpad, a touchscreen , and a usb 
optical mouse. I would like if all three could work together, but in these 
conditions i have to choose to use or the `Optical USB mouse` or `touchscreen`. 
I thought this was a bug only with the `usb optical mouse`. But somehow it is 
conflicting with the touchscreen driver, the mouse speed was slow, the scroll 
button wasn't working at all, and the touchscreen - dead.
 
In my xorg.conf file where enabled all three input devices, I tried adding the 
"MaxSpeed", "MaxSpeed", "AccelFactor" options into the `mouse` section but 
nothing happend.

After commenting in xorg.conf :

Section "ServerLayout"
        Identifier      "Default Layout"
        screen "Default Screen"
        Inputdevice     "Synaptics Touchpad"
        #Inputdevice    "touchscreen"   #   <- HERE
        Inputdevice     "Configured Mouse"
EndSection

the usb optical mouse worked fine, besides, the new "MaxSpeed",
"MaxSpeed", "AccelFactor" Options added, weren't useful anymore because
the speed set from gdm already affected the usb optical mouse as well.

I've attach the xorg.conf file, it may help...

** Attachment added: "xorg.conf"
   http://launchpadlibrarian.net/18495281/xorg.conf

-- 
Slow movement regression of synaptics touchpad on v0.14.3+seriouslythistime
https://bugs.launchpad.net/bugs/28648
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