Blood Raider Cerebral Accelerator - when is it worth it?

In my mind, one of the best possible ways to spend ISK in this game is on skill points. Skill points are unique - of all the assets in Eve, SP cannot be destroyed (T3 cruisers aside) or taken from you (legally, that is), and yet you can still sell them on if you find you no longer need them.

Granted, there are diminishing returns. Depending on where you place those SP, they can be more, or less, valuable to you. Support skills may be used all the time, but other skills may be far more niche.

But unless you are sitting on far more skill points than I am, SP are great. Despite having 40 million + skill points, I'm still looking at four months of training to max out the damage and tank of my T1 frigate. And that does not include the sensors, or some of the warp related skills.

For this reason, I've been scraping the ISK together to buy a skill injector. Now, however, I have another option: Blood Raider Cerebral Accelerators.

The above chart was pulled from Reddit. Basically, you look at your current skill points, and your current Biology skill level, and you will see the percentage of a skill injector yielded by the BRCA. So, until 1st December 2016, if the cost of the BRCA is lower than the equivalent percentage cost of a skill injector, then you are better off buying the BRCA.

With Biology 4, which you can train up to with your very first booster, each BRCA is worth 9.72% of a skill injector. But they are currently selling for roughly 1.5% of the cost of a skill injector. So I placed a buy order for enough of these to get me through to 1st December. I'm sure that the prices will drop even lower over the next week or so, but I'd rather lock my supply down early and not have to worry about it.

I'm training up Biology 5 to get the most out of the boosters. This last skill level is not actually the most efficient use of time - it's worth an extra three boosters over the next month, at the cost of roughly four days of training - but as this is the second year that CCP have run this event, there is a good chance that they will run it again sometime. And at that point Biology 5 will be gold.

Interestingly, some people run skill farming alts, and they are VERY happy with this event. They can use the BRCAs on their multiple alts, and then sell the SP on at skill injector prices after the event.

Eve players are amazing.