FWIW - Here's some apache server results for the eeepc 900A. It's faster than I thought it would be. The web server is on an sd card.
edit: I had an error in my previous report. Here's a better results report; uses a bigger document (10K) and less requests (1000). Much faster results!
This is ApacheBench, Version 2.3 <$Revision: 655654 $>
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/
Benchmarking 192.168.0.105 (be patient)
Completed 100 requests
Completed 200 requests
Completed 300 requests
Completed 400 requests
Completed 500 requests
Completed 600 requests
Completed 700 requests
Completed 800 requests
Completed 900 requests
Completed 1000 requests
Finished 1000 requests
Server Software: Apache
Server Hostname: 192.168.0.105
Server Port: 80
Document Path: /index.html
Document Length: 10503 bytes
Concurrency Level: 10
Time taken for tests: 1.275 seconds
Complete requests: 1000
Failed requests: 0
Write errors: 0
Total transferred: 10654644 bytes
HTML transferred: 10513503 bytes
Requests per second: 784.42 [#/sec] (mean)
Time per request: 12.748 [ms] (mean)
Time per request: 1.275 [ms] (mean, across all concurrent requests)
Transfer rate: 8161.86 [Kbytes/sec] received
Connection Times (ms)
min mean[+/-sd] median max
Connect: 0 1 1.5 0 6
Processing: 2 11 4.2 11 57
Waiting: 2 10 3.2 10 44
Total: 3 12 4.0 11 57
Percentage of the requests served within a certain time (ms)
50% 11
66% 13
75% 13
80% 13
90% 15
95% 16
98% 21
99% 37
100% 57 (longest request)