not really but it also depends upon your setup/configuration.
firstly self install for 100meg? could you post your downstream and upstream connection stats please. put this into your web browser and hit enter
192.168.100.1
(default login)
username: admin
password: changeme
you'll have a message appear just click ok. then open this..
http://192.168.100.1/VmRgNetworkStatus.asp
scroll down and copy and paste in here both downstream and upstream
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with regards to your setup. firstly the SH does suck so if your willing to invest in a decent router i'd do it. in the mean time whats your desktop specs, laptop specs?