I'm pretty happy with namecheap.com. The only problem I've ever had was a domain transfer that didn't go through. One quick email and they fixed it within minut

I'm pretty happy with namecheap.com. The only problem I've ever had was a domain transfer that didn't go through. One quick email and they fixed it within minutes. They also do bulk transfers and have free WHOISguard. A quick google for the monthly promo code will get you a discount.