It's all about personal opinion. Personally, I have an RG370DX which I've been upgrading piece by piece and it is my main guitar. I love the neck, the action, and the overall feel and sound of the guitar and wouldn't ever dream of trading or selling it. If you come to feel that way about the guitar, then it's definitely worth keeping and upgrading. But if you play it for awhile and you think that it's just alright but know that there is better out there, then by all means start saving up for something else.