As a spiritual channel, I have "seen" the other side and spoken with people who have passed over. Many times people who have died call out to me to speak to their loved ones for them - to help deliver a message or a sign.
From my perspective, death is not something to fear. It is another phase of life, simply an extension of life as we know it that most people cannot get in touch with. But people with spiritual gifts, like myself, CAN access that dimension.
The "other side" often looks beautiful, reflecting positive thoughts and images you might have of life today. If you are not a religious person, you are typically not confronted with religious icons or institutions once you pass over.
Two books I've read on the subject which really made sense were "Life After Life" and "We Don't Die". You may find these helpful.