Hi Borja,
I've worked with a customer before who was running SugarCRM (I assume this is what you're referring to by SugarCuber CRM?) on a vps hosting account, but I'm not too sure with how SugarCRM will perform on our Power Plan.
I've searched sugarcrm's website, and they only offer generic requirements for their software, such as php and MySQL. What they don't provide (or at least I can't find) is what kind of server configuration it requires. For example, knowing how much memory the program uses can be a good indicator of whether it will work on a Power Plan of if you need a VPS plan.
Based upon the documentation I was able to find, installing SugarCRM is just like installing any standard php / mysql application.
Generally, what you do is:
1. Upload the software files (which you can download here)
2. Configure a MySQL database
3. Run the software's configuration script
We have more details regarding this here:
Manual Installation of PHP software
If you run into any specific problems when installing Sugar, feel free to post a comment at the bottom of this page, and we'll be more than happy to review further.
Thanks!
- Brad