Have a look at some of our Site sponsors and see if they have some lighting/skimmer/ro units in your prive range. if there is a single things ive learnt in this hobby it is this..
DONT SKIMP ON A SKIMMER
If you way over engineer then u are most likely to be standing on a good base to work with.Even if a Skimmers says it can do up to 50 Gal.. 7 time sout of 10 it probably wont. This is just my opinion of course.