When canceling a credit card should I transfer my credit line to another card?
Welcome.
Look at this post (that is sticky-ed to the top of the forums page)
http://forums.dansdeals.com/index.php?topic=23990.0 to find threads that already exist on almost every topic. On the right side, you'll see a few posts not from the forum but from DansDeals.com that discuss opening/closing cards. There you'll find that when you close a card,
at the least you should get your credit line moved to the new card, if you can't pull off keeping some of it (and not closing the card) while still getting the new card.