Coral-like and orangey colours are really in trend for nails right now, aswell as mint green and plum!! And shattered effect nail polish is really cool too!
Things a bit like these:
Plum: http://www.beautybay.com/cosmetics/opi/dimsumplum/
Shatter polish: http://www.beautybay.com/cosmetics/opi/blackshatter/
Orange: http://www.beautybay.com/cosmetics/opi/agoodmandarinishardtofind/
Pastel colors + black
And if you want to add drama to it
the shatter OPI or Sally hansen nail polish its crazyyyyy!
http://www.sallyhansen.com/products/nails/nail-color/crackle-overcoat
http://www.beso.com/opi-crackle-nail-polish/search?rf=gbn