For some reason the Beatles tapes have never reached the same crazy prices. Perhaps it's a matter of the number of tapes that are in circulation? I can't recall seeing any of them selling for much more than $125.

Here's a link to their reel to reel releases. In my experience, the prices that's shown are on the high side (as in, what one might hope to sell them for). For example, you can almost always find a copy of "Abby Road" for under $60 and quite often for less than $40.
It appears that the price goes up with rarity.

http://www.rarebeatles.com/reel/reel.htm

Carl Stephen Koto
On Mar 12, 2011, at 7:52 AM, Tom Fine wrote:

> Arent' most of the Beatles reels 3.75IPS 1/4-tracks? Maybe the earlier albums are 7.5IPS?
>
> ----- Original Message ----- From: "Roger Kulp" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Saturday, March 12, 2011 10:34 AM
> Subject: Re: [ARSCLIST] Mercury Madness
>
>
>> How about the US Beatles ones?
>>
>> Roger
>>
>>
>>
>>
>> --- On Thu, 3/10/11, Matt Sohn <[log in to unmask]> wrote:
>>
>> From: Matt Sohn <[log in to unmask]>
>> Subject: Re: [ARSCLIST] Mercury Madness
>> To: [log in to unmask]
>> Date: Thursday, March 10, 2011, 3:52 PM
>>
>>> For the most part, I think Tom put his finger on it with the statement above. IMHO, what we're seeing with the most >insane prices are the activities of completest collectors.
>>
>> Completist collectors are what keep history alive.
>>
>> -Matt Sohn
>>
>>
>>