[Desire Android Development] zeussn:
Here are the results with DJFroyo rom :

Screen ON:

PING 192.168.1.101 (192.168.1.101): 56 data bytes
64 bytes from 192.168.1.101: icmp_seq=0 ttl=63 time=79.352 ms
64 bytes from 192.168.1.101: icmp_seq=1 ttl=63 time=103.241 ms
64 bytes from 192.168.1.101: icmp_seq=2 ttl=63 time=24.714 ms
64 bytes from 192.168.1.101: icmp_seq=3 ttl=63 time=48.905 ms
64 bytes from 192.168.1.101: icmp_seq=4 ttl=63 time=72.700 ms

Screen OFF:

PING 192.168.1.101 (192.168.1.101): 56 data bytes
64 bytes from 192.168.1.101: icmp_seq=0 ttl=63 time=155.681 ms
64 bytes from 192.168.1.101: icmp_seq=1 ttl=63 time=78.330 ms
64 bytes from 192.168.1.101: icmp_seq=2 ttl=63 time=305.923 ms
64 bytes from 192.168.1.101: icmp_seq=3 ttl=63 time=227.543 ms

Logcat :

Screen ON:

D/KeyguardViewMediator( 155): wakeWhenReadyLocked(26)
D/KeyguardViewMediator( 155): handleWakeWhenReady(26)
D/KeyguardViewMediator( 155): pokeWakelock(15000)
I/power ( 155): *** set_screen_state 1
I/WindowManager( 155): needSensorRunningLp, mCurrentAppOrientation =1
I/WindowManager( 155): needSensorRunningLp, SCREEN_ORIENTATION_PORTRAIT
I/HtcLockScreen( 155): HtcLockScreen:onResume
I/HtcLockScreen( 155): HtcLockScreen:onResume isCalendarReminder:false
I/MusicPanel( 155): onResume():
V/MusicPanel( 155): onResume() postDelayed(mCloseControlPanel)
D/Rosie ( 286): onResume() [onRestoreInstanceState] : diff - 1
D/Rosie ( 286): keyguardIsShowing
D/Widget ( 286): onActivityResume currentScreen : 3
D/Rosie ( 286): onResume() [finished] : diff - 3
I/Workspace( 286): dispatchDraw() fps:1
D/WifiService( 155): ACTION_SCREEN_ON
D/WifiService( 155): enable and start wifi due to updateWifiState
I/BatteryStatsImpl( 155): notePhoneSignalStrengthLocked: 2->3
D/StatusBar( 155): performAddUpdateIcon icon=IconData(slot='phone_signal' package=null iconId=10802e8 iconLevel=0) notification=null key=android.os.Binder@46d24d40
D/ScreenReceiver( 286): receive android.intent.action.SCREEN_ON

Screen OFF:

D/WindowManager( 155): I'm tired mEndcallBehavior=0x2
I/power ( 155): *** set_screen_state 0
V/KeyguardViewMediator( 155): password timeout delay 160202ms
D/KeyguardViewManager( 155): show()
D/Rosie ( 286): onSaveInstanceState() [finished] : diff - 28
D/Widget ( 286): onActivityPause currentScreen : 3
D/ClockWidget( 286): onNotifyWidgetPause:30
D/RosieMEM( 286): VM free memory : 2815888
D/RosieMEM( 286): VM max memory : 62914560
D/RosieMEM( 286): VM total memory : 7544800
I/ClockWidget( 286): setPause~ mPaused:true
D/HtcLockScreen( 155): onScreenRestart
I/HtcLockScreen( 155): updateStatusViewByPriority, mIsSimCheckView = true, mIsBatteryInfo = false, mIsMusicPlaying = false, mIsAirPlaneMode = false
I/HtcLockScreen( 155): HtcLockScreen:onResume
I/HtcLockScreen( 155): HtcLockScreen:onResume isCalendarReminder:false
I/MusicPanel( 155): onResume():
V/MusicPanel( 155): onResume() postDelayed(mCloseControlPanel)
D/StatusBar( 155): manageDisableList what=0x1 pkg=android
D/Rosie ( 286): onPause() [finished] : diff - 22
D/StatusBar( 155): DISABLE_EXPAND: yes
W/HtcLockScreen( 155): onWindowFocusChanged bFocus:true
D/WifiService( 155): ACTION_SCREEN_OFF

Hope this helps. If you need any more data, please do tell ;)