My current end-all-be-all favorite CTMH stamp sets are #D1478 Bingo Alphabet ($17.95) and #C1456 Heartfelt Treasures ($13.95). I've been churning out a ton of birthday cards, hello cards and my Halloween treat bags. I thought I was incredibly clever using my friend's birthdate as the numbers in the above bingo card!
Both sets are incredibly versatile -- a must if you want to get your money out of your stamps. I'm constantly thinking up new ideas for the Bingo set... "MERRY" at Christmastime, "ADORE" at Valentine's Day, and the general "HELLO", "SMILE" & "ENJOY" for everyday cards. Any other suggestions?