want to buy a system any advice?

[karaokeG]

i am also looking to buy a system i was thinking of going with:

vocopro 600 watt power amp
vocopro7 mixing board
2) vocopro 4000 single deck players (in case one malfuctions)
4) sound tech ast15 15" 2 way loud speakers
vocopro ssp500 speakers with subwoofers
3) rsq microphone
geminini ux1610h headseat wireless mic

am i way off base here?
is voco pro that bad?
i need help quick i was going to buy in august
now i wonder if i should wait.
i want the best i can get for around $5,000.
any suggestions