You can, of course, go to Pattaya - it's cheaper, but my advice: Phuket, Karon Beach, Centara Hotel - it's more expensive, but it's worth it, take my word for it, there is a difference.
Bali Hotel Niko is the best in Nusa Dua. Now in order. We rested in Bali from February 29.2008 to March 11.2008. We flew through Malaysia: 2 days in Kuala Lumpur (a fairy tale), 12 days in Bali (paradise), 1 day again Kuala Lumpur (again a fairy tale).