Nowadays you will see that couples are simplifying the gifting process for the guests. They usually set up a registry of gifts that they want to receive and let the guests choose from their list. That way the guests are sure that their gifts will be useful to the couple. But you can always not choose from their list and gift them something unique of your choice.
There are so many things that you can choose from. You can choose a painting or a piece of sculpture if you are aware that the couples are inclined towards such objects. You can also think of giving them cooking gadgets or modular kitchen sets if they are trying to set up their new house. You can also opt for some electrical appliances that may useful to them. In fact you can also get them tickets for their favorite local sports team depending on your budget. If the newly weds are sporty then they will really love this.
You can choose anything that you want to. It is the wishes and blessings that really count. You can choose from the bridal registry or from your own creative ideas. After all you are showering your emotions on them and that will be treasured.