A set of interchangeable circular 16" might be a good investment for you. If you are going to knit a lot of baby items, then you will probably need smaller needles that you would use with lighter weight yarns. Size 3 or 4 is very handy when using a heavier fingering weight for baby garments. Size 5-6 for Sport weight. Needles from www.knitpicks.com are very affordable. They have great needle tips. You may find that for some projects a wooden needle will work better than metal. Knit Picks stands behind their products without question and has awesome customer service too!