I'm not sure quite what to say since there is so little to base an opinion on. There certainly is not enough to go on to offer any really useful evaluation.
A couple of things to consider though:
The site is frames based. I don't like frames for a lot of very practical reasons including issues with search engine recognition, search engine ranking, bookmarking, browser limitations and similar.
Frames cause all kinds of very real problems and should be avoided at all costs. I don't know of any professional web designer who regularly uses frames any more and personally I haven't delivered a frames based site for about two years now.
There is one very large image on the page which blows the entire layout out of proportion and requires a huge monitor to view without horizontal scrolling. People accept vertical scrolling within reason, but expecting them to slide a page from left to right to view it and use any linked navigation structure that may be on the right hand [hidden] side of the page is a big problem.
Most professional designers are working to 1024x768 resolution but layouts should be fluid in that they should be designed to collapse and be viewable at 800x600 resolution.
Without knowing what the site is for and without some content to view it is impossible to offer anything other than very rough generalisations. I'd think carefully about whether you actually need frames and I'd certainly lose such a huge image as your layout basis, or at least resize it to display properly in mainstream resolutions.
Without more to see I can't say whether it is or is not a good design, but it does have some potential problems built in from the outset.