I like:
Paige and
KaitlynBridget (don't like the name
Brittany at all though)
Samantha and Carlin (
Samantha and Carli go well together but I don't think that
Samantha and Carlin really match all that well)
Sean and
Kyle - I don't really care for either name but they make great twin/brother names
Alexandra (I really like
Alexandra but
Maria is nms; it does sound nice with
Alexandra though)
Andre and
Holden
Brady and
Brandy are way too close and cutesy. I don't care for the name
Brandy at all to begin with. To me, it's an alcoholic beverage and not a name.
Brittany and
Tiffany = ick (they go well together but they're too similar and I don't care for either name).
twins I've known:
Brooke and
AmyTanya and
CamilleRichard and
DanielDaniel and
StevenChristine and
JohnAlexander and
NicholasMorgan and
Nolan (both male)
Sandra and
Erica (or
Erika; not sure about the spelling)
John and
MargaretBonnie and
Jessica
I can't remember the rest but I'm sure that there are more.