Need advice on printing my photos.

Hello All,

So, as it turns out I have been taking photos for 10 years now as a hobby, and never really printed anything larger than 8x10 and from a normal print service like mpix. I have some nicer images that i would like to print larger, and display in my home. I have read a lot lately about metal printing, and there are specific blog articles from Moose Peterson, and Scott Kelby hailing the quality of Image Wizards Metal Prints. So my question is, what is the best quality and value that I can print my images large and display in my home? I dont mind paying for the metal print, but should I be considering a Glicee? Something else? I just don't want to order something, and then have to replace it.

And as a follow up, how do you decide how big of a print to make? We have three empty walls in our home that we want to place prints on. We could place three large prints on them, or break them up with medium sized prints. Any tools or "rules of thumb" or recommendations anyone can lend?

Thanks!!
Raymond