Using an A5 postcard for and invitation or thank you is a great and memorable way to send your message out. In our world of email and facebook invites, it is so wonderful to get a physical postcard in the mail. I try to design the best possible solution for my clients.
Your business card is a wonderful chance to show who you are and what your company represents. It is good to make it stand out, so you are remembered. I strive to give my clients that.