1st: Spur. Mmmm, that laser. :p I like chargable weapons, because you can charge them when going to next "sector".
2nd: Bubbler. I love bubble shield! :D But I like only 3 lvl one.
3rd: Blade. Yay! Powerful spammer! xD
4th: Nemesis. Of course, lvl 3. Oups. I mean lvl 1. ^^'
5th: Machine Gun...