This article from a young Catholic was too good to pass up. He gives some solid reasoning about the proper form of the Mass in the Roman Liturgy. Below is a quote from his article, and above is the full link.
Not only is the Sacrifice of the Eucharist a foretaste of Heaven, but it is just as importantly the making present of Christ’s eternal sacrifice on the Cross. To fully illustrate that reality, the Mass should be indicate it both internally (by nature of what it is) and externally (how we perceive it).