I don't know much about Dallas, really, but it is definitely a more diverse city if you are talking about percentage of African-American residents. On the other hand, there are a lot of ways to look at diversity (there is a good post on the boards somewhere about that...). Austin, imho, is much nicer looking than Dallas and the weather is more tolerable (not as hot and not as cold, either). Job market is really decent in both cities, so it depends on what you are looking to work in. Pflugerville itself is rather 'slow paced' (very family oriented) and Austin is in Texas (there is a thread on that, too

), and Texas is still in the south....you won't find anything like NYC, but Dallas or Houston would be closer.