Okay. Tell us your gross monthly income, savings and expenditure. We'll then research about your shooting and then we'll give you an accurate and unbiased result.
Come on, to me, it's justifiable because I'm guaranteed that it will work when I get it, and when it stops working, it's a guarantee that it can be fixed. And if something screws up, it's Canon's fault-- no other company.
So to me, the added advantage in image quality/built/guarantee is worth it. What about to you? That's for you to decide, and for us to not know.