Hmm... I don't have an Archery/Energy char (well i do, btu she's like 12) but i do have an Assault Rifle/Eenrgy which i play as ranged with no melee attacks (aside the first in energy).
I cannot speak much for PvP, i've done it once... and a regen scrapper kicked the living hell out of me. Would guess biggest problem with PvP is you won't be able to stay out of range all the time, and you will lack the really heavy hitting melee attacks.
But for PvE it works great! I love the char. I have taken flight on her, so she can easily stay at range. Work with natural origin, just pick up some rocketboots they look great!.
I would recommend stamina for PvE, while i am sure you can get by on just conserve power with a 3 slot recharge innit. I still like to have stamina because when i drop i get back up that much faster.
Also, as a archery defender, you don't need hasten to be honest 
the bow powers recharge plenty fast on their own imo. I would get medicine, with power boost and slotting out the self heal you will pretty much get a full heal. I made a bind which does this: "powexec_name Aid Self$$powexec_toggleon power boost" if it hit it twice in rapid succession it will fire power boost then heal, works great. (worked less great when using powexec_name for power boost, powexec_toggleon worked much better).
Anyway hope my mindless rambling helped at least a little.
If you are going to pvp imo take these pools-
Leaping
Speed
Fitness
Then either leadership or stealth pool down to how you want to play it. If u go stealth take phase.
You will need SS+SJ for full mobility in pvp but it can be hard to get both in for sirens.
Hasten would be usefull in both pve and pvp for obvious reasons. Having BU+AIM Rain of Arrows up every 30 or so seconds will make you very popular in pve teams.
Or not as you will shred most mobs before anyone gets a chance to attack them :P
The draw time on RoA means that if you're in a good team, the mobs will be lying on the floor with everybody looking round for stragglers spamming their "tab" keys, when suddenly all these arrows come down. Funny really - happens all the time.
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I'm planning something similar but wont do serious pvp with it. Just snipe people for fun 
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Heya xD
Ok i have recently made this Blaster and have enjoyed some fantastic leveling and she is already level 20 with just 9 hours casual game play! =D Now i need some advice, i have an Nrg/Nrg Blaster who has the Melee attacks, great burst damage ect with stuns. . . However, i do not want that for my new Blaster. I am looking to be at total range which is why i have gone with /Nrg with Archery/, perma Boost Range will allow me to fire off my attacks from over 100ft! =D Couple that with RoA recharging every 20-30 seconds and other AoE's (still not decided on which ones i will stay with) i hope to achive an Old Skool, total range Arrow firing death machine; too far away to be targeted! xP (I will also be slotting most attacks for Range)
Now thats my plan/idea, what i need help on is advice from people who have played this sort of style or even just Archery. I would like to casual PvP (Warburg & Sirens) shooting from range, so out of the way as much as posible and hopefully out of sight.
What travel power would suit this combo in PvP? What other Power Pools will help? Hasten for sure and i am thinking of Stealth with a +Stealth IO (would that be any good?). Would Medicine be a must? With Power Boost, it would be nice, plus i could pick up Stunning Shot for a higher mag duration Stun, would that help at all?
PvE wise, i would like to know wether or not i would need Stamina? Only Taking Conserve Power, Boost Range, Build Up and Probably Power Boost from /Nrg, i have noticed i do get low on End without Conserve Power but i have not yet slotted my attacks with -End. Hasten is a definate and i am looking to get extra +Rech from IO sets (want Rain or Arrows up much as posible).
Concept, complete Natural.
Just advice on which powers to take from Archery, what Pool Powers and PvP/PvE advice, as i am still really undecided on what build i am going to have, i just know i dont want the Melee attacks; silly but different! xD
Thanks for reading and hopefully thanks for any feedback =D