I wouldn't say beginners should stop there...they have the worst customer service ever, and beginners are going to be really off-put by it.
Best Yarn Store Minneapolis 2009 - Depth of Field Yarn
From beginners to cable-knit-sweater veterans, yarn lovers should make Depth of Field their first stop. If you're looking for your everyday Red Heart yarn, go to JoAnn Fabric. But if you're seeking out high-quality, warm and fuzzy, freakin' awesome yarn of every color and stripe, this is your place. Depth of Field stocks aisles of alpaca, silk, wool, and cotton chenille yarn. Don't forget to check out the sale loft for low-priced specials. The store also offers a wide variety of classes tailored to every skill level and project type. Best yet, if you find that your gloves have six fingers, experienced staff members are available to dispense free advice.