Hi Jason,
We have sites using GridView on databases with over 3 million records, so it can be handled.
Certainly if 175,000 records are being selected for your inquiry, the time to load won't be instantaneous, but 3.5 minutes seems unexpectedly slow from my experience. The complexity of the GridView inquiry (number of columns, calculations, formatting, network speed, workstation memory etc) can affect the speed of processing.
GridView also ships a 64-bit version of the program, stored in the x64 sub-folder of the GVWin program directory. If you point that version of GridView against your inquiry, that could speed things up.
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Regards,
Softrak Tech Support