Dedicated Hosting - Need Feedback

[johnnyb]

I'm contemplating switching to this dedicated server, here is the package:

500 GB monthly transfer volume
Additional bandwidth $0.99/GB
Basic Features:
Server managed by 1&1
Server Side Includes (SSI)
50 FTP accounts
Domain Features:
200 Subdomains
No additional costs for domain transfers
Point unlimited external domains to 1&1 name servers
DNS Management
Domain Contact Management
E-mail Features:
1,000 POP3 e-mail accounts with 50 MB space each
20,000 e-mail aliases
1&1 WebMail
E-mail forwarding
Auto-responders
Catch-all e-mail addresses
Symantec Virus Scanner for 10 POP3 accounts
Marketing Tools:
25 1&1 Chat Channels
In2site Live Dialogue
1&1 WebStatistics
1&1 Newsletter Tool
Search Engine Tools
Site-Building Tools:
Create a 25-page site using WebsiteCreator
Software worth $600
1&1 WebElements
FrontPage 2002 Extensions
Cron Jobs via Shell
Advanced Developer Tools
PHP3 & PHP4
Ready-to-run CGI scripts
Free CGI programming
Database Features:
1&1 WebDatabase
100x MySQL databases (local)
Security Features:
SSH Secure Shell Access
Dedicated SSL Certificate (QuickSSL Premium)
SSL Secure Server
Continuously updated 1&1 firewall
Daily backup
Free security updates & system maintenance
Account Features:
1&1 Control Panel
Access to log files
Support:
90-Day Money Back Guarantee
99.9% uptime guarantee
Support:
Free 24/7 phone & e-mail support
Online FAQ

Now, my question is, how many users at once can access this server? For instance, can this server handle 200 co-current users at once? And that amount of bandwidth, is that a good amount for a huge board?