Netscape is no where near as good as it used to be. It's very bloated, imho. However I'm pretty sure it is still developed using the Mozilla platform, which is pretty good with displaying webpages.
I use Firefox myself, and don't notice many differences between it and IE when it comes to view web content. The only time I see a difference in pages is when the developer doesn't use both browsers (IE/Mozilla) to test output, which sometimes results in bad output in at least one of the two. Mozilla can be a bit picky with some of the HTML or CSS elements, while IE is... well, IE is just IE. Sometimes I can crank out a page that looks fantastic in Mozilla and crappy in IE, and vice-versa. But that can be overcome; it's all about how much effort you put into it.
What pages are you trying to view exactly? Links?