When my husband said he wanted karaoke at our next holiday party... I cringed. But I can't begin to tell you how much fun it was for both us (the party givers) and our guests! We didn't have to lift a finger and had access to 1000's of songs and I swear Seize The Mic's sound equipment made everyone sound much better then they would normally (and that's a miracle for my boss - who most likely won't read this, as I would get fired!). I had no idea karaoke was so high-tech and computer run, but set up these folks had was amazing and Tony the KJ was engaging and fun to boot! We did spend around $500 with a tip to the KJ, but we've spent more on entertainment not nearly so fun at past parties, but it was worth every penny!
Pros: Huge song selection, great sound, gets everyone involved, professional
Cons: needed to book more then 3 hours cause we didn't want it to end