The new BitTorrent 6.0 Beta client features:
· Lightweight client
· Local peer discovery
· Multiple simultaneous downloads
· Configurable bandwidth scheduler
· Global and per-torrent speed limiting
· Quick-resumes for interrupted transfers
· RSS Downloader
· Trackerless support (Mainline DHT)
· You'll also notice the Beta version comes with BitTorrent DNA, which stands for Delivery Network Accelerator.