Code Generator, O/R Mapping, Persistence-Data-Tier, RAD

[TheFatih]

To provide softwares for Business (Business Solutions) some needs are realy critic like transaction managment, O/R Mapping and ...
As we know microsft in orcas project (.Net 3.0) have prototype named BLinq
and it will help programmers to design ASP.NET web pages more quickly
but is that enough to provide a stable solution for business, ERP, CRM?
if you are familiar with Oracle ADF you know about that kind of needs.

Also there are so much tools for .net to help solution developers to provide business solutions
some of that environments categorized listed below:

1.Code Generator
2.Object-Relational Mapping (O/R Mapping)
3.Persistence-Data-Tier
4.Rapid Application Developement(RAD)-Dev Automation

some of them are :

Ironspeed Enterprise Edition
Alachisoft TierDeveloper
Code Charge
Visible Developer
Codesmith Tools
Genome
LLBLGenPro
DataObjects.Net
Deklarit
Source Cutter

if someone knows about benefits of these kind of tools.
i want to provide business solutions like ERP and CRM also i want to do that rapidly.
Another goal is i need a realy stable and trusted environment.
can someone guid me to deciede which one is better or if you know another solutions please let me know.