Probably jumping the gun as I only got a BFP yesterday, but I already have two DSes and DH and I haven't managed to think of anything we both like in the 3 years since DS2 was born.
DS1 is Edward (but everyone calls him Ted) and DS2 is Patrick. Some things we haven't crossed off our list so far:
Leonard
Jesse
Herb
Any other suggestions along those lines would be great!