Future Demand Of In Sap Proffessionals?

i want to know the future in SAP (i.e.CRM,ERP).
what basic qualification is required to make an successful carrier in SAP.

Where Can I Find Out If A Crm System Is Hosted (on Demand) Or On-premise (behind The Fire-wall)?

I don’t want to call every company. There are 18 that I’m looking at. They are:
RightNow
Maximizer
StayinFront
SalesLogix
Sage CRM
Microsoft CRM
Goldmine
NetSuite
Salesforce.com
Saratoga CRM
Ibco Process RM
Pivotal CRM
growBusiness Solutions
ExSellence
Onyx
Amdocs
mySAP
update 7.0 STRIKE!

What Is Crm On Demand?

CRM
In information technology, CRM stands for Customer Relationship Management.
In marketing, CRM stands either for same above and for Cause-Related Marketing.
In analytical chemistry, CRM is a certified reference material.
In archeology, CRM is Cultural Resources Management.
In aviation, CRM is Crew (or Cockpit) Resource Management.
Coastal Research & Management
CRM114 is an efficient spamfilter

Which Is The Best Option For A Large Enterprise:salesforce Vs Oracle Crm On Demand Vs Microsoft Dynamics Crm?

Please give me your opinions about those 3 platforms, which one is better for a global Sales Team?
thanks in advance!