First, recognize you are comparing apples to oranges. Courses generally are a single immersion event over a day or two. Retention of course skills is well proven to drop precipitously after a couple of months (without regular practice.) RnR is an ongoing ROUNDS program which means you get to come back every month to practice skills, revisit topics and keep your resuscitation skills sharp. - It is not uncommon for doctors to continue to participate in RnR Rounds on an ongoing basis fo many consecutive years!
Second, know about graduation and/or credentialing requirements. Many hospitals will publish that they require "up to date ACLS / PALS / ALSO" (etc) depending on which areas of medicine you intend to practice. Be aware that although some courses are specifically named, there is almost always an "or equivalent" clause which is usually not published. You'll find most hospitals are very accepting of accredited regular rural-resus sim participation (e.g. RnR Rounds), though you may need to educate them on what your alternate program is / what it covers. NB: With other programs such as ATLS, having taken the program just once in your career is often acceptable.
Third, RnR Rounds covers much of the content of these aforementioned courses (ACLS, PALS, ATLS, AIME, introductory and intermediate ultrasound courses), in considerable and sometimes greater detail. Unlike the individual courses, your opportunity to get repeat practice is spread out throughout the year, and on an ongoing basis. So, we can get you up to speed and then we can keep you there. RnR Rounds also has a rural and resource-limited focus, so you get a lot more detail about how to best approximate these "standards" outside a tertiary care teaching environment. (e.g. Try running a major trauma ATLS-style without an onsite blood bank, CT scanner or every surgical sub-speciality in house.)
Fourth, if you work out the cost per hour of education for each program, you will discover how aggressively priced RnR Rounds is. (Do not let this be your only valuation, but it may factor into your decision somewhere.)
In summary, there is no shortage of extracurricular courses and programs for you to invest your limited time and money during residency. Know what is absolutely required for your graduation & future practice, but then make the best choice based on your priorities and future practice needs!