I took a look at the Cast Your Anchor Hobby website. The company certainly carries a big range of merchandise. I'm unaware of another convenient place to look for such variety of products and manufacturers.
The list of fittings, on the other hand, appears to come almost directly out of the ModelExpo website. I saw a handful of fittings that didn't look familiar (notably some miniature figures, which frankly looked pretty crude for the price), but the vast majority of the photos seemed to be the same ones I've been seeing for years at www.modelexpo-online.com . Those with less-than-deep pockets should know that ModelExpo almost always has something on sale - frequently (albeit not always) including fittings. Those sale prices are considerably cheaper than those advertised by Cast Your Anchor. And ME sells some of its fittings in bulk, at big discounts. For example, 10 feet of 42-link chain at ME costs less than half what 10 individual, 1-foot lengths cost at CYA (or, for that matter, ME).
One very interesting group of fittings I did see at CYA is a line of tiny miniature turnbuckles. I haven't seen the smallest sizes elsewhere. I'm thinking the very smallest just might work for 1/32-scale WWI aircraft. (I've got a Wingnut Wings kit waiting for me....)
The pages devoted to tools and books also seem to be identical to their ModeExpo equivalents. The one dealing with wood really puzzled me. Some of the pictures from Cast Your Anchor are the same ones Model Expo uses. But it's hard to see how a ship model supplier in this day and age can stock balsa and not basswood.
For what little it's worth, my personal favorite blocks and deadeyes are the cast Britannia metal ones from Bluejacket. Cast Your Anchor Hobby sells Bluejacket's kits, but apparently not its fittings.
I was particularly interested in Cast Your Anchor's ratings of kit manufacturers. These appear to be honest efforts to let modelers know about the huge variations in quality among those companies - including the various HECEPOB ones (Mamoli, Artesania Latina, Corel, et. al.). (For the uninitiated, HECEPOB is the acronym we've developed over the years in this Forum for Hideously Expensive Continental European Plank-On-Bulkhead. I won't allow a HECEPOB kit in my house; neither will hundreds of other serious scale modelers.) There's also some interesting information on that page about the histories of the various companies. All in all, a commendable and refreshingly candid effort. I have to say, however, that I seriously question the knowledgeability of anybody who gives Model Shipways and Bluejacket lower marks for "accuracy" and "detail" than Artesania, Mamoli, Corel, etc. Every manufacturer's products vary as the company ages, but I personally would put those two American companies way ahead of any of the HECEPOBs. Model Shipways and Bluejacket kits are designed to replicate actual ships. The HECEPOBs are designed to...well, I've never been able to figure out quite what they're supposed to do, other than take money from the uninitiated.
One manufacturer who's conspicuously absent from the Cast Your Anchor list: the British firm Caldercraft (aka Jotika). That company's plank-on- bulkhead kits are honest-to-goodness scale models, designed by people who actually know their subject matter. I just wish I could afford one of them. (The Jotika 1/72 H.M.S. Victory costs well over $1,000.) I can hardly blame any American hobby dealer ship for not stocking Calder/Jotika kits; the market in this country must be tiny. But they're some of the best kits in the business.
I've ordered Cast Your Anchor's printed catalog, and I look forward to reading it. I'll be interested to see how much it differs from Model Expo's.