This shouldn't be version dependent(ish), this a rough shell to render an XML feed of any kind with a macro, you could probably adapt it slightly to use a regular partial.

@using System;
@using System.IO;
@using System.Xml.XPath;
@using System.Xml;
@using umbraco.MacroEngines;
@inherits umbraco.MacroEngines.DynamicNodeContext

@{
    //Request Query String if needed
    int archiveYear = Request.QueryString["archiveYear"].AsInt();

    //Fetch RSS XML
    XmlTextReader feedUrl = new XmlTextReader("url to your rss feed");

    //Create new XML document
    XmlDocument doc = new XmlDocument();

    //Load in our remote XML into our XML document
    doc.Load(feedUrl);

    //Select our nodes we want with some xPath
    XmlNodeList feedItems = doc.SelectNodes("//node to render");

}
<ul>
    @{
        //For each item node we can then ouput what we want

        foreach (XmlNode node in feedItems)
        {
            <h1>render stuff here</h1>



        }

    }
</ul>

You could just import your rss feed items into a document, that is how we deal with the products in our shop (the products come from a crm system) and create documents of type product when they are imported. (I have a manual job to refresh them, but you would probably want to automate that part perhaps.

You should then be able to deal with them as you do any other document type in Umbraco

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