What do you do with it?
To be honest, unless it's running applications that need super graphics or you are manipulating large databases and spreadsheets, or trying to edit HD Video in real time then it's a perfectly adequate laptop. Give it some more memory space to play in and it will speed things up. It will never be a lightning fast machine as Dell didn't aim it at that market sector. Not everyone needs Core i7 processors, 16GB RAM, über graphics and HD processing..
OK it's all pretty old technology now, but still 'adequate' for routine tasks. Time might be its worst enemy though, particularly battery life wise.
Richard