Here is the history for those of you who don't use Impulse:
Fences Pro 1.1.0.348
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-Added ability to toggle hidden fences at startup
-Added "Hide shortcut arrows on desktop icons" to Appearance tab
-Reliability improvements based on user feedback
-Numerous small UI tweaks
-Improved multimonitor support (newly plugged-in monitors set to 'primary' have all your icons/fences moved over to them, fixed 'align-to-grid' on secondary monitors, etc)
-Icons no longer have risk of falling out of their fence on F5 and/or monitor resize
-Fixed flicker when moving a fence behind the taskbar on Win7
-Fixed issue where new icons could become "stranded" until interacted with, particularly on XP
-Fixed issue where moving Fences beneath the bottom of the screen exhibited odd behavior
-Improved "Disable Fences" functionality
-Fences now "come to the front" when moved. Fixes behavior where you could move a Fence behind another and then lose access to it.
Fences Pro 1.01
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-Added Hide Desktop icons to right click menu
-Changed behavior when removing a Fence excluded from quick-hide to un-hide all Fences.
-Change Customize tab name to Appearance
-Renamed Delete Fence to Remove Fence
-Fixed bug where scroll bars would not appear when resizing Fence.
-Fixed bug where all icons would leave all Fences on reboot/restart/logoff.
-Fixed bug where an icon moves out of a Fence when resolution changes.
Fences Pro 1.0 refresh
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-Fixed issue on XP systems wherein a certain refresh operation could get stuck on repeat, causing CPU levels to get stuck up high and causing frequent disk access as debug log is written to.
Fences Pro 1.0
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-Added to Pro: Sorting (per-fence, and for the desktop itself)
-Added to Pro: Rules & Auto-Organizing (certain file types go to certain fences, etc)
-Added to Pro: Daily automatic-snapshots
-Added to Pro: "Ghosted fences" support (set the opacity of fences individually, become fully visible on mouseover)
-Added: Icon "flicking" for touch-enabled systems
Bug fixes & improvements:
-Added localization support
-Added high-dpi support on Vista/Windows 7
-Fixed issue with the quick-hide feature on older systems / with remote-desktop (desktop would not draw correctly & require a refresh)
-Improved multi-monitor support
-Snapshots now have their thumbnail taken correctly on Windows 7 while a slideshow is active
Misc bits:
-New frameless UI
-Please note that auto-snapshots are not currently enabled on Windows XP