bsod - Windows 7 Bluescreen: IRQ_NOT_LESS_OR_EQUAL | athrxusb.sys

I'd left my system on last night, and found the bluescreen in the morning.
This has been happening occasionally, over the past few days.

Details:

==================================================
Dump File         : 022710-18236-01.dmp
Crash Time        : 2/27/2010 8:46:44 AM
Bug Check String  : DRIVER_IRQL_NOT_LESS_OR_EQUAL
Bug Check Code    : 0x000000d1
Parameter 1       : 00000000`00001001
Parameter 2       : 00000000`00000002
Parameter 3       : 00000000`00000000
Parameter 4       : fffff880`06b5c0e1
Caused By Driver  : athrxusb.sys
Caused By Address : athrxusb.sys+760e1
File Description  :
Product Name      :
Company           :
File Version      :
Processor         : x64
Computer Name     :
Full Path         : C:\Windows\minidump\022710-18236-01.dmp
Processors Count  : 2
Major Version     : 15
Minor Version     : 7600
==================================================

HiJackThis ("[...]" indicates removed text; full log [posted to pastebin][1]):

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:49:15 AM, on 2/27/2010
Platform: Unknown Windows (WinNT 6.01.3504)
MSInternet Explorer: Internet Explorer v8.00 (8.00.7600.16385)
Boot mode: Normal
Running processes:
C:\Windows\DAODx.exe
C:\Program Files (x86)\Asus\EPU\EPU.exe
C:\Program Files\Asus\TurboV\TurboV.exe
C:\Program Files (x86)\PowerISO\PWRISOVM.EXE
C:\Program Files (x86)\OpenOffice.org 3\program\soffice.exe
C:\Program Files (x86)\OpenOffice.org 3\program\soffice.bin
D:\Downloads\HijackThis.exe
C:\Program Files (x86)\uTorrent\uTorrent.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\[...] [...] O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9}
- C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll O4 - HKLM\..\Run: [HDAudDeck] C:\Program Files (x86)\VIA\VIAudioi\VDeck\VDeck.exe -r O4
- HKLM\..\Run: [StartCCC] "C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun O4 - HKLM\..\Run: [TurboV] "C:\Program Files\Asus\TurboV\TurboV.exe" O4 - HKLM\..\Run: [PWRISOVM.EXE] C:\Program Files (x86)\PowerISO\PWRISOVM.EXE O4 - HKLM\..\Run: [googletalk] C:\Program Files (x86)\Google\Google Talk\googletalk.exe /autostart O4 - HKLM\..\Run: [AdobeCS4ServiceManager] "C:\Program Files (x86)\Common Files\Adobe\CS4ServiceManager\CS4ServiceManager.exe" -launchedbylogin O4 - HKCU\..\Run: [uTorrent] "C:\Program Files (x86)\uTorrent\uTorrent.exe" O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'LOCAL SERVICE') O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'NETWORK SERVICE') O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'NETWORK SERVICE') O4 - Startup: OpenOffice.org 3.1.lnk = C:\Program Files (x86)\OpenOffice.org 3\program\quickstart.exe O13 - Gopher Prefix: O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing) O23
- Service: AMD External Events Utility - Unknown owner - C:\Windows\system32\atiesrxx.exe (file missing) O23 - Service: Asus System Control Service (AsSysCtrlService) - Unknown owner - C:\Program Files (x86)\Asus\AsSysCtrlService\1.00.02\AsSysCtrlService.exe O23 - Service: DeviceVM Meta Data Export Service (DvmMDES) - DeviceVM - C:\Asus.SYS\config\DVMExportService.exe O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing) O23 - Service: ESET HTTP Server (EhttpSrv) - ESET - C:\Program Files\ESET\ESET NOD32 Antivirus\EHttpSrv.exe O23 - Service: ESET Service (ekrn) - ESET - C:\Program Files\ESET\ESET NOD32 Antivirus\x86\ekrn.exe O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing) O23 - Service: FLEXnet Licens