I'll toss my hat in the "OmniVI+" ring. I love mine and am totally satisified. Omni'VI's are good values. This one is not a "+" or a "opt3" but still seems a good value: TEN-TEC OMNI VI OPT 1 DSP w/ 1.8 .50 .25 tentec 563 And no, it's not mine, just typical... John, K5MO