As others have said, it's fairly similar to MS Office for stand alone documents and adequate for most. If you are into Object Linking and Embedding, using Powershell to render your data in Excel or Word etc., like the Excel PowerPivot and table definitions, sharing and collaborating on documents then stick to MS.

They do a great deal for members of big organisations to install on their home PCs for under a tenner. You will need their corporate email and a link from their admins.