Re: NB Sandy's vs GMD Workhouse and best covers
I haven't tried the Sandy's, but I loved the newborn workhorses for the first month. My son got down to 7 lb, 5 oz and they fit just fine for several weeks. The Thirsties Duo Size 1 fits great with the newborn workhorse (as does the Thirsties XS, although I'd recommend the Duo since you can use it longer). I didn't personally use the Bummis NB, but my sister-in-law (who also used the newborn workhorses) tried it out and preferred the Thirsties Duo.