The 3 dumps seem to indicate memory or a driver
as most likely to be the cause.
Drivers that need updating or uninstalling:
Asus PCProbe Utility ASUSTeK Computer Inc. -Support- Drivers and Download
Asus ATK0110 ACPI Utility (a known BSOD maker in Win7). Also a part of the Asus PCProbe and AISuite Utilities ASUSTeK Computer Inc. -Support- Drivers and Download
CPU-Z CPU monitor CPUID - System & hardware benchmark, monitoring, reporting
nVidia Compatible Vista Kernel Mode Driver (likely belongs to nForce chipset drivers
) Drivers - Download NVIDIA Drivers
Realtek High Definition Audio Function Driver Realtek
NDIS Miniport Driver for Atheros L1 Gigabit Ethernet Controller ATHEROS drivers for Microsoft Windows (Atheros?????)
Uninstall any motherboard utilities (like ASUS PCProbe) - that should
fix the first 2, then uninstall CPU-Z and update those hardware drivers.
Run a Memtest86+ diagnostic overnight, as many as 7 -10 passes would be good - any errors and you'll need to check each memory stick individually
, the single stick(s) should all be tested from Slot 1. Memory Diagnostics
If the memory checks out as good, keep using the PC until it gives another BSOD and then upload the dump (copy the latest dump(s) from C:\Windows\Minidump, to the Desktop then zip and attach the resulting zip files).