OK, we need to start with some basics to get our terminology right. Loomis makes many lines of rods. The most common line is the MBR series like the MBR 783. This rod can be bought in IMX, GLX or some other models like GL3 (I think).

Loomis also makes a Jig and Worm series that start with BCR titles like the BCR 803. This rod can be had in a GLX or in the Mossyback. Mossback graphite is considered by most not as good as IMX but because of the action some may like it better in absolute sensitivity terms.

The BCR series are faster actions then the MBR series. I consider the BCR GLX series rods the best worm and jig rods made. The BCR GLX series has a titanium guides which make the rod a tad lighter and more sensitive but they are not great for braid. The BCR series is generally not good for moving baits other then maybe a topwater frog.

Now back to your question

For my dedicated worm rods, I fish BCR GLX. I have tried almost everything on the market and I find these are my choice. I typically buy on ebay and get them for about the price of an IMX at full retail.

For blades, topwaters, lipless cranks, buzzbaits and other moving baits, I like the MBR series IMX about as well as the GLX. While I have mostly GLX rods even in the MBR series, I have them because I found great deals in ebay and not so much because I thougth I had to have GXL.

Now between say the MBR783 GLX and the BCR 803 GLX, the 803 is a step up sensitivity wise vs. the 783. It is not a matter of graphite but rather action of the graphite and guides.

So my advice, if you want a dedicated plastics or jig rod, spring for the BCR GLX series. For everything else IMX of the crankbait series will work fine.

Everyone will have different opinions about loomis but 4 years ago I had none, started with one IMX and now 9 of 10 rods I take in the boat are loomis, the one standout is a Steez.

Rods at home I use for backups are powel max, kistler, crucial, bass pro qualifier, st. Croix and airrus. All good rods but not what I take in the boat day in and out.

If you would want a pick for a powerful worm rod that will compare with the BCR GLX series at 25% the cost, send me a PM.