This idea has been merged into another idea. To comment or vote on this idea, please visit S1-I-1160 Display last transaction number on screen, make transaction numbers visible on invoice lists etc..
When creating new invoices, it's a real pain having to lookup the last reference number used. It would be great to give the user the option - in Settings for instance - to "Automate Reference Numbers" and then perhaps a "Start At" option e.g 1001