Pretty much everybody that runs in Hot Street and I believe a few Pro-5.0 guys spin their motors PAST 10k rpm. I remember reading about a Hot Street Racer named Sam LaManna that shifted his car at about 10,500 rpm. 
I'm not sure what his setup was, but any engine component that moved would have to be the lightest on the market. Also, most of the hot street motors are 360-400 inch small-blocks, have C/R's around 15:1 or more,and heads that flow close to 400cfm.
So it is definitely possible, if you want to spend the big bucks and change valve springs every month.
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'90 Black Notch: TFS TW heads, Stage 1 Cam, Street Intake, FMS 1.6 rockers, Kirban AFPR, 24# injectors, C&L 76mm MAF, 70mm Accufab TB/EGR, Tremec 3550, SPEC Stage 2 & Billet Flywheel, Alum DS, 4.10's w/ 31 Spline Eaton, Full MAC exhaust, etc.
286.7 RWHP @ 5100rpm, 313.7 TQ w/stock MAF, Inj, TB, and no tune
Race weight : 3090 # w/ driver
New Best - 12.82@107.9 w/1.74 60'
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