Looks pretty good to me Paul. Perhaps just in need of a little sharpening and edge highlighting.
I can see what you mean about blobby bits though. Are you sure that some of them are paint or are they casting flaws? The right hand pauldron issues seem to be there in your earlier unpainted pictures, for example. TMM is notorious for showing up surface flaws.
Also, did you underpaint the metal parts? I find TMM takes best over a black ground. Most metallics don’t have enough body to work over a grey or lighter base and the black somehow adds depth and lustre. I still struggle with TMM myself though, sometimes it’s great, other times it’s awful, looking like chrome plated plastic
The Vallejo metal colours are great paints, but there isn’t a huge variety in the yellow shades. The gold is a bit weird to be honest. It has a green tinge to it that I dislike. Have you tried, or looked at, the Darkstar range of metallics? They are a little different to use, being gel acrylics, but the bronze triad is great, as are the various gold shades. The paints mix easily as well, so you can use them to layer up metal areas.
Worth trying other shading than straight black, by the way. I find steel likes a blue/black shade. The cooler shading making it look more like steel. Darkstar gunmetal acts as a good shade colour in this respect. It is a pretty dark blue black metallic. Vallejo metal colours have nothing equivalent.
Gold and bronze seem to like a purple or purple black tint in the shading. Brings out the warmth in the metal colour I suppose.
Lots of experimentation you can try to find what works…that’s the fun bit I think
Obviously you can take or leave as much of this as you like. Most of it is just first thing in the morning rambling anyway