I tried using USB connection instead of bluetooth to get online using my PPC-6700. Here's what I got from dslreports.com on 2 bars of signal.
2005-12-15 20:41:29 EST: 541 / 19
Your download speed : 541 kbps or 67.7 KB/sec.
Your upload speed : 19 kbps or 2.4 KB/sec.
Pretty neat for a phone.