You should be!
|Valley Yarns Berkshire Bulky, colorway Stone Blue|
I'm actually modifying it, too. If you do a search on Ravelry for the larger sizes you will see that the lace panels are very widely spread apart in a most unflattering way with huge expanses of reverse stockinette between them that I just did not find appealing. I liked the way the small size looked, its proportions, so I tried to preserve that in the way I'm knitting it. I added regular stockinette to either side and centered the lace panels better. I don't yet know if this well screw something up for me near the neck, but I looked through the pattern and tried to knit it in my head and didn't see anything major about how the various decreases interacted with the way the patterns lined up.
Here's hoping this sweater and I will live happily ever after! :)