OKay so heres my situation.
i would like to set up an online store, i would like my website to have a blog and forum and a few features like that as well..
i do favor concrete5, i have used it several times and i have promoted it to customers as my favorite cms..
and as far as content goes thats still true, but now that im trying to integrate ecommerce i am hitting several road blocks.

i would like to supply a big inventory 1000-1500+ items at least.
the more the better since in my line of work i often have to refer my customers to sites for various products, i would like to end that by offering the most common things i refer and within those categories several brands and options.

so on to the point, i would like to offer an in depth experience.
order history, account login, etc.. these are pretty basic and expected features.. and i offer my work to several businesses that will expect discounts for big orders and expect to be able to log in and order and not have to enter their info every time.

i first looked at the ecommerce add on from concrete5 and thought i might give it a try and see what functionality i could squeeze out of it using the various add ons. the fact that it integrated with concrete5 directly was a plus but then i saw that it doesnt handle big inventories well... thats a deal breaker. i messaged the team and when they responded, they mentions magento.

i had heard of it before but never did any researched, so i did some reading on ecommerce CMS
i do like magentos features, it does seem to offer everything i need. but i havent found a way that it integrates those features into concrete5 well.

so the way i see it is,

option 1 : i switch to Magento CMS and my content side of my site suffers dramatically if it exist at all after the change.

Option 2: i stay with concrete 5 and have minimal ecommerce experience (sounds like money loss waiting to happen)

Option 3: i use both, and have them linked together with the necessary buttons, and sacrifice any sense of unity my site may have.
example 1: they would have separate logins for each cms

Option 4: i attempt to integrate into concrete5 using add ons and crap and hope it doesnt cause a crap ton of bugs and still sacrifice the more advanced ecommerce features

SO please Respond with ideas, if you have a better solution than the options i have listed or if you dont than which option sounds the best from a customer point of view. any help and ideas are welcome and appreciated.

Thank you,
Austin Lamb