Functional Features: The specific features and functionality will depend on your goals and expectations. 

1. Business Process Modeling: Support for a variety of modeling notations (BPMN, UML, etc.) to capture, visualize, and manage business processes.
2. Enterprise Architecture Frameworks: Support for standard EA frameworks like TOGAF, Zachman, etc.
3. Gap Analysis: Identify and represent gaps in business processes, systems, and data.
4. Business Capability Mapping: Ability to map business capabilities to organizational units, processes, applications, data, and technology.
5. Application Portfolio Management: Tracking and management of software applications throughout their lifecycle.
6. Strategic Alignment: Link business architecture artifacts to business strategies and objectives.
7. Integration: Seamless integration with other business and IT systems.
8. Versioning and History Tracking: Ability to manage different versions of models and track history.
9. Reporting and Analytics: Advanced reporting capabilities to support decision-making processes.
10. Collaboration Features: Multi-user editing, commenting, and collaboration tools.
11. Risk Management: Capability to identify, assess, and manage enterprise risks.
12. Project Portfolio Management: Managing the enterprise’s project portfolio and aligning it with the business strategy.
13. Workflow Automation: Automation of various business processes.
14. Decision Management: Capability to model and manage business rules and decision logic.
15. Role-Based Access Control: Ensures secure access to data.
16. Compliance Management: Manage and demonstrate compliance with industry regulations.
17. Impact Analysis: Evaluate the potential impact of changes in the business architecture.
18. Scenario Planning: Support for modeling and analyzing different business scenarios.
19. Technology Portfolio Management: Manage and track the technology stack across the enterprise.
20. Information Architecture: Support for modeling and managing business data and information flow.
21. Business Performance Metrics: Monitor key business performance indicators.
22. Knowledge Management: Document and manage business knowledge artifacts.
23. User Customization: Ability to customize the tool to fit specific needs.
24. Export/Import Data: Data interchange capabilities with various formats.
25. Mobile Access: Ability to access and use the tool from mobile devices.

Non-Functional Features:

1. Performance: Efficient performance under peak loads.
2. Scalability: Ability to handle increasing amount of work and users.
3. Availability: High system uptime, providing reliable access to services.
4. Security: Protection of data and systems from breaches.
5. Data Integrity: Ensure data is accurate, consistent, and reliable.
6. Usability: Easy to learn and intuitive user interface.
7. Accessibility: Complies with regulations and standards for accessibility.
8. Portability: Ability to operate across different environments and platforms.
9. Compatibility: Ability to work seamlessly with other software or hardware.
10. Maintainability: Easy to correct flaws, improve performance or adapt to a changed environment.
11. Flexibility: Ability to customize and adapt to changing business needs.
12. Robustness: Ability to handle errors during execution and recover from them.

Other Evaluation Criteria:

1. Vendor Viability: The vendor’s market presence, financial stability, commitment to the product, and customer satisfaction.
2. Cost: Total cost of ownership, including licensing fees, training costs, maintenance costs, and any hidden costs.
3. Implementation Considerations: Time and resources required for implementation, the complexity of setup, availability of vendor support during implementation, and migration capabilities from existing systems.
4. Partnering: Availability of a strong ecosystem of partners for implementation support, integration services, and ongoing support. Also, consider the vendor’s willingness to co-develop and adapt to your specific needs.
5. Training and Support: Availability and quality of user training, technical support, and online resources.
6. Vendor Roadmap: Vendor’s future plans for the product include new features and updates.
7. Reviews and References: Feedback from current users, customer reviews, and case studies.
8. Regulatory Compliance: Adherence to industry-specific regulatory requirements.