I have taken acid and other psychedelics before. These drugs are really for people who have the mindset to actually take the drug, they are not for the faint of heart. If you get paranoid quickly or have depression, I do not suggest taken any psychedelics. When people really say they're "trippin," it doesn't mean they see random objects appear out of nowhere. Most times when people "trip," hallucinations do not come into play, but your perceived visuals are extremely distorted. Colors become extremely vibrant and you may experience heightened senses. All this really depends on how many tabs of acid you take for the trip, and how strong they are. If you take enough, you really will hallucinate and your subconcious mind can become either your most desired fantasies or your worst nightmares. If you do end up trying lsd, do so with the utmost caution as it will be your first trip. Try to do it with the least amount of people as possible and have a tripsitter with you. I do not recommend doing this at a party, as some people I know have become extremely paranoid during them. Also, as Nodnarbusn said, I would recommend boomers (shrooms) over lsd as they are hard to fake, are more potent, and give better trips (from my experience).
Hope this helps, good luck making your decision.