Will the WSCG make better food than the combination of a Weber Kettle and WSM? No, and I cook on all three. What I like about the WSCG is:
1) One device can smoke like the WSM and grill like a kettle
2)Temperature control is way easier than either the Kettle or the WSM
3) Significantly more...
Man those are great looking pies! I love your landscaping too, it looks like you had a great meal sitting out there in your own oasis eating that pizza!