Is my Internet Speed for Comcast good?

I pay 33$ a month and i’m wondering if this is good. I ran some speed tests:
:::.. testmy.net test results ..:::
Download Connection is:: 10074 Kbps about 10.07 Mbps (tested with 12288 kB)
Download Speed is:: 1230 kB/s
Upload Connection is:: 1871 Kbps about 1.9 Mbps (tested with 5983 kB)
Upload Speed is:: 228 kB/s
Tested From:: http://testmy.net (Main)
Test Time:: 2008/09/28 – 1:00am
D-Validation Link:: http://testmy.net/stats/id-ANEPYITOV
U-Validation Link:: http://testmy.net/stats/id-FR296VXZQ
User Agent:: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.3) Gecko/2008092414 Firefox/3.0.3 [!]

And this is from Speedtest.net

http://www.speedtest.net/result/330268701.png

After looking at these results do you think its good for Xbox Live?