Can somebody provide some facts/data/real world experience that would support an investment to move from SW2008 to SW2011?  My company is currently off subscription service and we are locked in at version 2008 (just 3 seats at this point).  I would love to move up to 2011 or newer but the funds won't be made available for that unless there can be a solid case made that there will be a tangible ROI.

If it's just to have the newest, slickest interface I can't justify it.

We use SW at a fairly basic level. Not using it much for simulation.  Our primary business is in furniture manufacturing.  Also using SW together with SolidCAM for CNC milling.

Any comments would be greatly appreciated!