First of all, let me start by saying screw you. How dare you start the hobby and already be better than me? Didn\'t you read the memo? *grumble*
Yeah, well, good start.
Really good start

Now let me nitpick a little....
1. Try to get the highlights lighter. If you keep pushing the differences between light and dark the mini will look more dynamic. A common tip is to think of theater makeup. The mini is so small that it needs to be exaggerated.
2. If there\'s one thing that improved the look of my miniatures hundredfold it is blacklining. Most people will tell you to darkline, but I prefer straight black - you should try both and decide what you like best. How do you blackline? It\'s quite simple: There are certain parts on the miniature that are somewhat disconnected from the rest. Maybe they are armour plates bolted onto the underlying suit, maybe it\'s a hand gripping a bolter - either way there\'s a part that needs contours. Just paint them in - use either black or, for a somewhat more natural feel, a dark colour, to paint a very thin black/dark outline around the part. Doing so will make the miniature look cleaner since there is now a visible \"border\".
Here\'s an example from my gallery: http://www.coolminiornot.com/107211
Take a look between the Vampire\'s fingers, the boot or, well, any part actually. I think you\'ll get the idea fast enough.
3. Use a backdrop for your photos - either a sheet of white paper or some kind of fading background. Blue to white seems to be the general consensus. Here\'s an example: http://www.coolminiornot.com/116883
You should also try to diffuse the light, either through some paper or by building a lightbox.
About your questions...
Yes, red is often a bit of a problem. The only solution I have found is using more layers. Just keep at it until you have a deep red the way you want it.
As for the visor... for a good distinction from the rest of the armour just highlight it normally. Then, when varnishing time comes, just matte varnish everything, but gloss varnish the visor. It won\'t look good in pictures, but it looks quite nice in real life.
As for where the highlights go: If you want to go with a look like on the Space Marine\'s eyes, look at the article called
painting gemstones. Decide where the light comes from and highlight accordingly, then add a white reflection to the dark part. This takes a little practice, but you are showing great promise so you\'ll do alright
Lastly, if you have any questions, do not hesitate to ask me in German. Man wird dir nämlich einiges an Zeug empfehlen, was du in Deutschland nicht bekommst, und da reicht es ja, wenn ich auf der Suche nach guten Alternativen Geld ausgegeben habe
