In iSyncr WiFi 1.4.1, we introduced the "Sync Now" shortcut.  You've always been able to schedule syncs based on time, but manual syncs required opening the app and pressing the "Connect" button and then the "Sync Now" button.  This shortcut allows you to do manual syncs from your home screen.

Just added new music to iTunes?  Use this tutorial to put a "Sync Now" button on your home screen so you can bring over that new music in one touch.

Step one is to select "Menu->Add" from the home screen.

Step two is to select "Shortcuts" as the type of object to add to the home screen.

Step three is to select the "Sync Now" shortcut and place it on the home screen.

Step four is to press the "Sync Now" button whenever you want to launch a sync!