Thanks for your replies guys, i have implemented the SHORT subject line as best as possible since this was the most logical way to proceed.

Nice post DOMiNIC! My energy bar have been partially reloaded again

BTW, do you guys use any software to make the work related to preparing and sending a little less tedious?
I have been doing hours of work making adjustments in the emails regarding personalization and stuff.

Isn't there any find and replace software that could take more time of our hands?
Do you guys do anything particular to make this task a little less time consuming?