Hey Roger,
I'd recommend the Neo 1. The AV1 and 525 both use very nice dome tweeters, but the BG tweeter in the Neo is really quite special. A colleague of bought the Neo 1 kit based on my recommendation (I've got RAW Acoustics speakers that use Danny's M-130s, a ribbon tweeter, and a Danny designed crossover), and both of us were thrilled and amazed at how great they sounded when assembled.
Just my $.02.
Neil