Angle Blade vs. Straight Blade on Mini Ex

I'm going to order a Kubota U55 soon and was wondering if an angle blade is worth an extra $2500 over a straight blade? The excavator will only be for personal use on my 10 acre lot doing stuff like pulling stumps and maybe making a trail around the perimeter of my heavily wooded property.

Angle Blade vs. Straight Blade on Mini Ex