important question about passive skill tree for wand marauder

one of my chars is a wand marauder. i was a bit inspired by the build of the week 8 video but i wanted to modify it because i personally don´t like minions on my site and prefer having a life-leaching flametotem , as well as attackspeed a and a critical damage build instead of having so much life.
i´m using power syphon as main damage skill and frenzy

now this are my important questions about the skilltree

does powersyphon count as a spell or also as a basical wand attack? when i shoot the mobs with the power syphon spell or frenzy will i do more damage when my wand have a high physical damage value on it or does this count only for auto attacks and will i make more dmg with my wand when i use power syphon spell when i skilled elder power 50 increased phisical dmg with wands or does that count only for auto atacks? because it felt like i done more dmg when i used a wand that had more damage on it ???

what is also important for me to know because i want to skill doomcast 60 percent increased critical strike chance with spells as well as bloodthirst 45 increased critical strike chance. is bloodthirst also increasing the critical strike chance for spells ? will i benefit of both of the passive skills with my char when i dont use auto attacks ?

and now the last 2 questions


with my 111 points build i planned i get 147 additional mana ,because of the high int i have. will this int being added to my life when i have bloodmagic ?? because i dont have mana ???

and the last

lava lash increase the fire dmg with weapons by 30 percent (i expect a wand is a weapon) ?
and when i skill berserking (attack speed) will this count for frenzy and power syphon spell too or only for auto attacks?

wbr don hope some of you guys might help me out

Both power siphon and frenzy are attacks that by definition use your weapon(s). A wand is a weapon. Any increases that work on attacks (i.e. lava lash, berserking) works with power siphon and frenzy. Increases specific to spells don't apply to attacks you make with your wand.

Blood magic doesn't convert your mana (it removes it) so you won't gain any life from int.

And lastly if you're planning a build then 60-70 points is a realistic total to aim for :)

thx for the fast help
so doomcast that increases the chance to make a critical strike with spell by 60 percent is useless for this power syphn annd frenzy using char. thx for the info.
berserking is useful XD thats amazing and good to know

ps do you think you cant reach the lvl 100 ? im already over 50 ok it takes a bit more time but when the game is released i will manage to reach it XD

here my build for my elemental dmg wand templer what do you guys think

http://www10.pic-upload.de/26.12.12/m6piuzxxhxv.jpg

ps what would you do with the last points i have 4 possebilitys look the picture

http://www.pathofexile.com/passive-skill-tree/AAAAAgUABVuLjOFz7SBG113G3fNgbZ2AgzgUTaIA8B8EswJxgW-ePE3YjHYyiXflV-LsOClPgpuFfRo4p4SQVcAaWfNaKyyno_LkIhpsGYUkqjbp42qdrqcI2t0VULiTDH0Qf8ae2CQ2xdsC0xt4zj9zHwIEB0yzUDAtH20ZEdszdo9G0NDPZVXGm6H316yYFLA6MDlSvDdObVgHFm874eL3pyuLegj0eQPAVDGIc1MHY1crwfNKjFeHgK7676IEw22io3_GflknqVptJDynXElRHNw4G-QRkc_Q-xG_NMsRULvW

or you think my wand marauder build will make it further

http://www10.pic-upload.de/26.12.12/um4sn5s838a.jpg

http://www.pathofexile.com/passive-skill-tree/AAAAAgEAxthYY1BQjM_2SF8_VEnnUu8Oud3yL2o7ROeoGCDwHOdqHtlhVw0ZLtIhkc4n7Z7NrKqnMHbnWfMB5xQgWivAGjboUEcsp5BVWK86UmSjo_KnhHgN37-GYBpVGjipblYEYSHsOE3jtfJhUoTvV-IpTzrYrFluqjIJdO135TKJhX3kIoKbLdL-jzJ-eu8EsxpsYEsUTfAfAnGdrgUtogCnCECguJPa3dgkIWDr7gx9NsV08Sj6EH_bAh8CNtieuSyFlSDGntMbBAfxbFoaW_R4zkyz7FW2QT9zUDBDMd9v